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09-09 Traffic Impact Stmt
GRAYST ®NE OFFICE & INDUSTRIAL PARK Traffic Impact Study Located in: Frederick County, Virginia 4 i¢ ♦ .�. { �� r :;fit r' �r kx` � 'p'�'+:,; J + xg , �•,a 11 O,,YVM Tax Map Parcels: 43 -((A)) -158, 44- ((A)) -25, 44- ((A)) -26 & 44- ((A)) -27 August 24, 2009 Prepared For: Graystone Corporation 1057 Martinsburg Pike Winchester, VA 22603 Contact Person: Michael C. Glickman, PE, PTOE GRtEiERWAV F-HOUNIEFERR M 151 Windy Hill Lane rounded in IBYI WinchesLer, Virginia 22602 Telephone 540- 662 -4185 Engineers FAX 540- 722 -9528 Surveyors www.greenwayeng.com I 1 Table of Contents 1 Description Report Summary and Methodology...... Page # 4 Existing Conditions ......................... ............................... Phase 1 Development Description ....... ............................... 6 10 2015 Background Conditions.........; ................................... 10 1 Phase 1 Trip Generation ................... ............................... Phase 1 Trip Distribution And Trip Assignments ..................... 14 14 2015 Phase 1 Build -Out Conditions ..... ............................... 14 Phase 2 Development Description ....... ............................... 20 2022 Background Conditions .............. ............................... 20 1 Phase 2 Trip Generation ................... ............................... Phase 2 Trip Distribution And Trip Assignments ..................... 24 24 1 2022 Phase 2 Build -Out Conditions ..... ............................... Phase 3 Development Description ....... ............................... 24 31 2028 Background Conditions .............. ............................... 31 Phase 3 Trip Generation ..... ............................... Phase 3, Scenario A Trip Distribution And Trip Assignments..... 35 35 1 2028 Phase 3, Scenario A Build -Out Conditions ...................... Phase 3, Scenario B Trip Distribution And Trip Assignments..... 35 40 . 2028 Phase 3, Scenario B Build -Out Conditions ...................... 40 1 Conclusions .................................. ............................... VDOT Scoping Document ................. ............................... 47 -53 Appendix Existing Traffic Count Data ............... ............................... SYNCHRO 7 Analysis Worksheets ..... ............................... Appendix Appendix (on CD only) ' HCS+ Analysis Worksheets (Interchange Ramps) ................... Appendix (on CD only) [1 1 Graiwone Office & Industrial Park - Traffic Impact Studv 1 � G GREENWAY ENGINEERING File Number: 2760GC August 24, 2009 ' Page 1 I 1 k H H U P 1 U 1 U U U 1 1 1 1 List of Figures Figure # Description Page # I Vicinity Map 5 2 Existing Traffic Volumes 7 3 Existing Lane Geometry and Levels of Service 8 4 2015 Background Traffic Volumes 12 5 2015 Background Lane Geometry and Levels of Service 13 6 Phase I Trip Distribution Percentages 15 7 Phase 1 Graystone Office & Industrial Park Trip Assignments 16 8 2015 Phase 1 Build -out Traffic Volumes 17 9 2015 Phase 1 Build -out Lane Geometry and Levels of Service 18 10 2022 Background Traffic Volumes 22 11 2022 Background Lane Geometry and Levels of Service 23 12 Phase 2 Trip Distribution Percentages 25 13 Phase 2 Graystone Office & Industrial Park Trip Assignments 26 14 2022 Phase 2 Build -out Traffic Volumes 27 15 2022 Phase 2 Build -out Lane Geometry and Levels of Service 28 16 2028 Background Traffic Volumes 33 17 2028 Background Lane Geometry and Levels of Service 34 18 Phase 3, Scenario A Trip Distribution Percentages 36 19 Phase 3, Scenario A Graystone Office & Industrial Park Trip 37 Assignments 20 2028 Phase 3, Scenario A Build -out Traffic Volumes 38 21 2028 Phase 3, Scenario A Build -out Lane Geometry and LOS 39 22 Phase 3, Scenario B Trip Distribution Percentages 41 23 Phase 3, Scenario B Graystone Office & Industrial Park Trip 42 Assignments 24 2028 Phase 3, Scenario B Build -out Traffic Volumes 43 25 2028 Phase 3, Scenario B Build -out Lane Geometry and LOS 44 A Graystone Office & Industrial Park General Development Plan Appendix GREk, W'' AY I kN G{PIEERING Grarsrone Office & Industrial Park - Traffic Impact Study File Number: 2760GC August 24, 2009 Page 2 I List of Tables Table # Description Page # 1 Existing Levels of Service, Delay and Back of Queue Results 9 2 2015 Background Trip Generation Summary 11 3 Phase 1 Trip Generation Summary 14 4 2015 Background and Phase 1 Build -out LOS /Delay /Queue 19 5 2022 Background Trip Generation Summary 21 6 Phase 2 Trip Generation Summary 24 7 2022 Background and Phase 2 Build -out LOS /Delay /Queue 29 -30 8 2028 Background Trip Generation Summary 32 9 Phase 3 Trip Generation Summary 35 10 2028 Background and Phase 3 Build -out LOS /Delay /Queue 45 -46 GREEiWI/AY ENGINEERING GraPSione Office & Industrial Park -I raflk Impact SluUv File Number: 2760GC August 24, 2009 Page 3 I 1 C OVERVIEW Report Summary Greenway Engineering has prepared this document to present the traffic impacts associated with the proposed Graystone Office & Industrial Park to be located east of US Route 11, north of the 1 -81 interchange, in Frederick County, Virginia. The Study is based upon a projected development program of 1,749,000 square feet of General Office / Research & Development and 570,000 square feet of Manufacturing / Warehousing with access provided via the intersection of US Route 11 /Snowden Bridge Boulevard (to be extended from US Route 11 to the Graystone Site). Build -out is anticipated to occur over three (3) transportation phases by the Year 2028. The proffered Graystone Office & Industrial Park Generalized Development Plan (GDP) is included in the Appendix section of this Report. Figure 1 is provided to illustrate the location of the proposed Graystone Office & Industrial Park development with respect to the surrounding roadway network. Methodology All methodology utilized in this Report is based upon an "approved" seeping letter 1 established between the Applicant, the Virginia Department of Transportation (VDOT) and the Frederick County Planning Department. Documentation associated with this scoping letter is provided in the Appendix section of this Report. 1 The traffic impacts accompanying the Graystone Office & Industrial Park development were obtained through a sequence of activities as the narratives that follow document: 1 R H • Collection and evaluation of existing traffic data, • Assessment of background traffic (includes planned projects in the area of impact), • Calculation of trip generation for the proposed Graystone Office & Industrial Park, • Distribution and assignment of the Graystone Office & Industrial Park development - generated trips onto the study area roadway network, • Analysis of capacity and level of service using the latest version of Synchro for existing and future conditions. Note: HCS+ was utilized for merge /diverge analyses. - -• Graystnne Office K Industrial Park - Traffic Impact Sradv ` Gkft'RWAY' ENGINEERING File Number: 2760GC August 24, 2009 Page 4 �u oil; `+ 'O VA OT ey ds // v Y' Ir . s > Y,+ E + .tr `, °rsJ ,,.✓^n S �L.�1" x �' ! il '� V4 \N1 A t yR 1" �� ,ry + ' fi sr q L ��C .� » ° r� '¢k IT To TO so r d i s 7" "Z..+ . x ( � 7 r . ( I' i t e 11 z f ¢art € 1 LO 't r 5 S 3 a "+.+' rp n a +;� s r ff i f E98 ' uC r A S PAS z n to, �:r it ,I 3 1 ,r " 5 h +•`^ EES t 3 a t st a{.?. E1 r r r wr Oa�,cf M a i P t ( 2 r �`�'� l q K 4 rs r ✓ r i e r Jf v{ i z r r 7 r F .r.;, +, �j zd gn, A v a- 7 k �.v r• ' 4 n ,?k r c t j, F 4k . ,JJO 'u r a 4 y t ry rll T i, Cr it e,kSQ�� a+ w' r n + 1 f a r; tT r c 4 k1 0- a �t kS1 . p a t, �. „x, H r i� i P � r gy p t, fi / Jr ou d n r44 ':k r :dl� " +r r "'� : st, r q 3+ p .ids �,r tit p r i IV C Al O N GREENWAYENGINEERING, — x Line Ifl .,y HO Graystone Office & Industrial Park FIGURE 1 M W _ Vicinity Map d G' rvvwl .(54) n2.95M FAX: (SW)'RI�9 Project #2760GC [1 1 EXISTING CONDITIONS Greenway Engineering conducted AM and PM peak hour manual turning movement counts at the intersections of US Route 11 /Crown Lane, US Route I I/Welltown Road, US Route 11/1 -81 southbound ramps, US Route I1/ I -81 northbound off -ramp, US Route 11/1 -81 northbound on- ramp /Redbud Road, US Route I I/Market Street, US Route I I/Merchant Street, US Route 11/ FEMA Site - Driveway and US Route 11 /Old Charles Town Road. Additionally, a 24 -hour vehicle classification count was conducted along US Route 11, between Red Bud Road and Merchant Street, to ascertain heavy vehicle percentages within the Study Area. ADT (Average Daily Traffic) was established along each of the study area roadway links using a "k" factor (the ratio of PM peak hour traffic volumes to 24 -hour traffic volumes) of 9% based upon the current VDOT traffic data. 1 Figure 2 shows the existing weekday ADT and AM /PM peak hour traffic volumes at each of the key locations identified within the study area. Figure 3 shows the corresponding existing lane geometry and weekday AM /PM peak hour levels of service results. All traffic 1 count data, Synchro and HCS= levels of service worksheets are included in the Appendix section of this Report. Greenway Engineering has provided Table 1 to show the existing levels of service, vehicle delay as well as the 95` percentile back of queue, by lane group /approach, for each of the study area intersections. GI'aystalie 01 /ice & hidusirial Park - Traffic Impact Study GREENlIIIAV NGINEERING File Number: 2760GC 81-1: + August 24, 2009 Page 6 LEGEND (D X(Y) INTERSECTIONI AMPEAKHOUR(PM PEAK HOUR) 9°9 10 p/° , I , Q, 1 1000 I DENOTES WEEKDAYAVERAGE DAILY TRIPS(ADTJ o a �- 6B f«h, °fy Y r � 1 AepbJ Me ^6 A . ,Z 5@ oBeY 11 19918" � y, � c 459 6 �OQOQ [� ^1° SITE i ,n sA► 5. C : ,e.>d80 hA+ q 5 a O; 4 Cb 3 aatbe 7N ' s j591 ,Z � o `1s'Il m 14 NYW4 s °b M V„ u SITE a �,y1\ d 11Ve'61Q P �s,* 11 919\ tlJ1 '�1\ l ygl Q,Fe Pwe O " O ®� T 2, '3 v t O 10 61 �4 F R fi P ,T/aJ/ f ay� gQb Y 53�tn. 5 x � 4 � F, irk t' WF a lr e f �� r� Il�� � r V �i J, " " l 4 } �. 'ts ,w Po 4 o W JO INTER Il m m 4 ♦ r�'u.': } GREENWAYENGINEERING, «c. Graystone Office & Industrial Park FIGURE 2 ISI Wu HJllwr Nin'hran, vgwa 33M1 ,� w °> =A' Existing (2008) Traffic Conditions PID ,wNN w,Tl w.r.gr.n f 122 528 LEGEND 1 INTERSECTIONS 1U 14 Ch ]• LANECONFIGURATIONS �� RDAD txp ; v� TRAFFIC SIGNAL J hoAV ® STOP SIGN C am° A(A) AM PEAK HOUR (PM PEAK HOUR) ZS * DENOTES UNSIGNALVPD CRITICAL MOVEMENT Gti FM O SIGNALIZED DENOTES FREE RIGHT -NRN SA '7 Py INTERSECTION LOS-A(B) DENOTES LHANNELIZED RIGHT -TURN ARTERIAL LOS I NB-B SB -A(A) R O' V ]VY 12 ^ P g x4 7 S ADA a 11 ARTERIAL LOS 'NB a f '/' 6 P Ip T SIT V L7 ri 9 •C(L) (y O se u 4 a N 2 SIGNALIZED O c 3 3 � INTERSECTION Los-c(D) z v r a Poe a G �J� 'A 1,. 4� 14 �j rvmj0(5W 13 SITE 0 O J SIGNALIZED © SIGNALIZED O O UNSIGNALIZED INTERSECTION LO A(A) a INTERSECTION LOS-B(B) m �-� , SIGNALIZED kI INTERSECTION RIBM Iry 0 1" 1 INTERSECTION P pµe LOS - A(B) Onb' V 8FT333 Nob: LOS Only prov0dM W U tIW mo mvnb. SIGNALIZED O INTERSECTIO 1 & L =C F `- ®pE �-p UNSIGNALMED O INTERSECTION UNSIGNALIZED RY 70 INTERSECTION �.Ip L OS - B(B) , 4 $v# ° y�s 'S Y 4 F UR ':'INTER TION't er I $ Po- , Ii�tt 3 �. �t ,s ' ��� � 1 y y, a at 's RAMPONERGE b T 5 4 ` iP'? "M°`L 47 LOS -B(B) RAMP MERGE j OS.C(CI b 3 �` T FU a i i2 d ' 4 1-5, q r RED r "' ♦ s.. .� tiµ I 'µ x, t - /�1� ;INTER L 0 4 R AMP 4 ■ g rl0_N { y " N 365 G+.3'� �a+{ w '6 F FT + C" 4x t 4t ` , hBN'a3j+t s�3 RAMP DIVERGE LOS. B(Sl 5 k A+ ? s 4Y.x4.4 GREENWAYENGINEERING,.. Graystone Office & Industrial Park FIGURE 3 Tllll 151 NLWy HNlwe rt; �)n2 -9 Existing (2008) Lane Geometry & LOS Project # 2760GC Table 1 Gnn'stone Busklem Park Levels of Sen'ice. Delay and Back of Queue (95%) ReNtdts Existing Conditions Pb -CM ,A,14W4a4md"- ti14M AR- SvMI.-J1,, IIk LIImJ:.H Graystone Office & Industrial Park - Traffic Impact Studv p GpR lAY ,J,WEER1N, m File Number: 2760GC August 24, 2009 Page 9 Eo"in, C'Ondlann5 WenerlMV AOI F. AH. PAIr YH. IAS ML:e (firer IW wp tbtb R.Jl U.6a!` Omm i � (d mq IlM bep 6H1 \8: I'S R... 11 Np:Pxvlvelm O1.0', SO: a..lr Tr+lllr J'mHal; SIpc;4wNe MI, FL'IA. A 1 IJJn A I J+ 1 IV# R61 C :fc IPX E 3JG I06 c\8? A Jx 4PA H 2}•. 1 IliP RRR A la .. A aX r H R I.O A N91Tk JO. rft D JI.. Ile NO LOS I C D SD1TR C 1 :4. Nn ➢ 39a iln SX LOO 0 O\TXALL A H HHIAA: 11.4 Rwal SO: %Not -.R.W NR: Amw.tww tminr e..i..l: slu:JixrW ELL r. 4 I4gd P IIN, 341A LIM R itlA B:B C Ax I'. cows e p A84 p N+ AHXA p s'I. liin XNT7 C ]J a. Jain R Abw 1 CYn {iBR A J+. SOB A fa SOti RH Loi t v NR,- p AB V. Jub F I ^a t :oa NRLOS D r Y I a 4H'1R 8 It+ JgX A NIA S. lPfi LOS N D L "'N U FIlIm:144An .11 5TASIpOlR n.m C-ORLSlm'+bWw LOT F$R A A : +. ..._... J. I u _ n ._....... .... 1 On En LAM A A INWIf A 1+ 9n A 6r. { DO Lu A Ja. - 8 l0 9F RH IAS A A WLT D I Sfn 369 D SSA ! 3JX Ykka A 1n ae A — Iw I Ts SO Lot A A ONrRA . A A S1L 0.)R.ue 11 :JR: YaI 0tt -Rq T: +Hk C.au.L %Ip:.Jhwlw IMn 7 A ax. - - 10 1 X V. 9 A A R' _ A [ . _ l 161 N 1 1 )pin RH IAAS B H__ NH'L C j ? i II:A D Nx :Aln N" A 9 Jgfi C 1 131n NR LP) v H rnTRAiL R B e CHR11:Ie5 R.wr 11 tiH48: Rrd HM RILtlI NP OrvRmp TnIHrCwr.I: dlpWaMlm YHy 6x TM C :JV. > i+in fNS A la. 6n A 1. 1 ;3X mY A Iv. otl A Ic I 3X C IML VAAL A 19 A 6r. iP RRT A 3SA A 1 :A A lv. lX Iv. Id 1. .L 1,6S A A WN LIT C 31x •6H D !SC IMA e UX% p o\T.L H CH111L Nm.0 bb:,S+..an Nn4rHM Sn::lln +lmi eYJNI r-M k "'.1 :5ipvll[WM LTF Eb . T A :!P A S. lYfl ISO F A l+ OP A Iv Od YH LOS A A VHM1 C Pt 2R D !0. : 3d RBT B IBC la }H C P_t 1 lJ3G RAR A tx. I A 2:n RR LON R C NRT. C #+. 63 ri Oo. 1 3!X Nll? A Iv. Od A 1+ _ 6n NL A Ov OS A 0•. 4D NH 1.05 A A m C 3Jt 1:9 D "1. 1 2'.P SOT a 1c otl C iJ n. i 111 SWk A I+. aH A 1I+ Yd Sd Los I I)ITIOtd. A H SO : I8I $1.1 R. .. 11 5b: f841A $1.1 011-1 I'.IM C.,..L bbX S4ta MI 9L A NA 9. raA Jn NA 4 h:A _ %a OX_ NA £R LO 4 x:A N A N 'A NA WA N'A NA W HA A i 11 RHR NA kA N0 3Dd WA - N:'A RH tnv A'e wn ?0 IRK WA WA N?A NA T=-1, WA 5A LOS D H 18: off 15x4. 1o. R. Nn5H:P5R+M. 11 4 CxinL S;M %b IM, b i H.. Sad p I5+ 199 RHR NLl I:NA rid WA RA ! WA RH LM 9 e Nb4 N41 I WA NA WA WA ' 3:'A NAR NM1 IJA N'd WA N/A J VA Nb LOS HSl fl'A SOL { Bc pb A IOc 1 lfl SOT NAB N +A N=A__ NA N'A TWA I. I'm HIA te'A Pb -CM ,A,14W4a4md"- ti14M AR- SvMI.-J1,, IIk LIImJ:.H Graystone Office & Industrial Park - Traffic Impact Studv p GpR lAY ,J,WEER1N, m File Number: 2760GC August 24, 2009 Page 9 Il I PHASE 1 TRAFFIC ANALYSES (2015) The proposed Phase 1 development is to include 680,000 square feet of General Office / Research & Development and 220,000 square feet of Manufacturing / Warehousing with access provided via the intersection of US Route 11 /Snowden Bridge Boulevard. Phase 1 is be built - out by Year 2015. 1 2015 BACKGROUND CONDITIONS In order to determine the 2015 background traffic conditions, Greenway Engineering increased the existing traffic volumes, shown in Figure 2, using a rate of 0.5% per year through Year 2015. Additionally, all trips relating to specific future "other developments" located 1 within the vicinity of the site were incorporated. Greenway Engineering has provided Table 2 to summarize the 2015 "other developments" trip generation. Per the VDOT /County approved scoping document, Greenway Engineering utilized the following sources for establishing 2015 background trip generation: 1) the 7` Edition of the Institute of Transportation Engineers' (ITE) Trip Generation Report was utilized for Bishop - Amari, Rutherford Crossing (remaining parcel only), Adams Commercial and Easy Living Associates Commercial Property; 2) VDOT ' residential rates were applied to the Snowden Bridge development; and 3) Rates derived from a trip generation study (by Greenway Engineering) performed for the Fort Collier Industrial Park (approved by VDOT /County) were increased by 15% and applied to the North Stephenson ' Tract (Omps Property) development. The Fort Collier Industrial Park Trip Generation Study is provided in the Appendix section of this Study. ' Figure 4 shows the 2015 background weekday ADT and AM/PM peak hour traffic volumes at each of the key locations identified within the study area. Figure 5 shows the corresponding 2015 background lane geometry and weekday AM /PM peak hour levels of 1 service results. All Synchro and HCS+ levels of service worksheets are included in the Appendix section of this Report. fl 1 u I1 I r - Graystone Office & Industrial Park - Traffic Impact Study _ A, ;FREE. A NBiINE aP�G� File Number: 2760cc .�� August 24, 2009 ,- 7 Page 10 I J I I I I iI I J I d I l I H I J Table 2 2015 Background "Other Developments" Trip Generation Sununaly • Trips a e based epou rates derived from "acnal" h:dlic roasts conducted of a cimilm .ire., These rates were increased by 15% pc' Scopuy"- Faun. Graystone Office & Industrial Park - Traffic Impact Study r. =�dhih W WMOWEEMNG File Number:2760GC August 24, 2009 Page I 1 .461 Peak Ho. PM Peak Be.- Code Land Uxe Amount ADT In Out Total to Out Total North Stephenson Ttnct (Omps Pt'opetdy) - Li^Id htdara - ml " 400.000 SF 57 45 103 36 63 100 1.381 Sub -Total 57 45 103 36 63 100 1,357 10% redaetionfor trips interacting with Rutherford Crossing 6 5 10 4 6 10 138 Total Trips 52 41 93 33 57 90 1,243 Snowden Rtidge (Formerly Stephenson Village) 210 Slnele- Fanily Detached 144 mute 28 83 110 94 55 149 IA39 220 Apmanent(80 %VDOT +20 %TIT220) 27 units 4 16 20 25 14 3S 359 230 Tae.JwaedConda (80 %XDOT +20 %ITE 220) 29 traits 4 16 20 16 9 25 246 Total "New" Trips 36 114 150 134 . , 212 2,044 Bishop -Moroi Poo cell (Route IIfold Chadesloan Road) 814 Specialty Retail 15,000 SF 31 20 50 25 32 57 679 853 Canvas. Mail"kpina, 16pmnps 137 137 275 154 154 308 8.682 932 H- TRestauaul 5,000 SF 30 28 58 33 21 55 636 Sub -tota1 198 135 382 212 207 420 9,997 P.,, by Trips 409 (Code 853) 55 55 110 62 62 173 3,473 Total "New" Trips 143 130 273 151 146 297 6,524 Rntlterford CrosaWgx (Ranandng Development) 650 Grocery St., 50,(100 SF 114 73 1S7 275 264 539 4,79 Total "Neer" Tip 114 73 187 275 264 539 4.739 Adwris Camtnercl d 150 Warehousme 120,000tnut 78 17 95 19 57 75 792 151 Sel €Service Storage 140,000 nerds 12 9 21 18 17 35 334 710 Office 120,000anils 191 26 217 36 177 213 1,535 812 Ruiltline/Lnnbei Store 25,000 SF 44 21 65 59 67 126 1,024 860 R7m1eE:Je M:nket 150,000 ctod 41 34 75 14 17 32 1,010 Total 366 107 473 146 334 isl 4,695 Ease Living A.uoclmes Cmwnercinl Property 151 Self - Service Slane 35.000 SF 3 2 5 4 4 8 82 710 Office 35,000 SF 71 10 Sl 20 98 116 594 S20 Retail 45,000 SF 59 38 97 177 192 370 4,041 853 Cco"n. Mai wlpmnps 16 ptnips 13 137 275 154 154 308 3,682 934 Fast Food ,, 5,000 SF 135 130 266 90 83 173 2,481 .Sub -Tokd 406 317 723 446 531 977 15,880 Pass -by Trips 259 (Code 820) 12 12 A 46 46 92 1.010 Pass -by Trips 40 % (Code 853) 55 55 110 62 62 123 3.473 Pass by Trips 40 % (Code 934) 53 53 106 35 35 69 992 Tohd Yoea -by Trips 120 120 240 142 142 285 5,475 Total "Ned' Dip 286 197 483 303 389 692 10,405 • Trips a e based epou rates derived from "acnal" h:dlic roasts conducted of a cimilm .ire., These rates were increased by 15% pc' Scopuy"- Faun. Graystone Office & Industrial Park - Traffic Impact Study r. =�dhih W WMOWEEMNG File Number:2760GC August 24, 2009 Page I 1 I H 1 1 H H H 0 H 0 1 1 LEGEND 100 1U .: t O l. X(Y) INTEFSECTIONtl AMPEAKHOUR(PMPEAKHOUR) nod ',•' N � m 100 DENOTES WEEKDAYAVERAGE DAILY (AOT) m w � • � c - •V F n ih � O n m m m I o p 9 26I de 1 , P � �xe0 pre 9 ye � q 9 m tilt N. 12 IPpi of X46 A'aNaP 9 00s1� F. v 690 i,P` 6 d SITE 1 l ee0 \ ,11 by g 10 o , y n s'8•� �� 6 • LI 3 OGae 3 6 2 p o 8, • A .o y G ., P ° rtt� 11 p(BB '& P Mo Nrt QP 0� ,. a • p61 a�tlr W .0111 14 N +� W 13 w e SITE O O O m ,& A�1°°Q°`� s\ ��``� 11 m of 9�ts \\ PYe 3 11 ■ �t� pre J pwB y \o 16I' 40W . "�ys�' � S , � 11 5{t` x , 1 1 `cy �T� enB 5 8 ` \,y1'„o`' R y` ,e \ 68�91p� -J PJBb'i ry � 4;l �"' tls e 3 'ILy l �� �',b (�• e 13 14 2 m u= m ' 4 '# � 4Lg3jf Fr �R ell ZM p y u .y 4 1.4 iS M1 S` H9NIA 1 5 Amity ii' %' e e q f h 1 a L � kzp GREENWAY ENGINEERING, im Graystone Office & Industrial Park FIGURE 4 isi xrodyxm �n< wk�, wPnb:xm •°� ate, "a' 2015 Background Traffic Conditions Project 9 2760GC 6l:wmmWSMa Fg (540)M-95]P /wMN AfN! arm - w.BTm l'M. m I 1 u n 1 H 1 1 H U p 1 n 1 1 I LEGEND R 1 U�If INTERSECTION! IN LANE CONFIGURATIONS t o o # sr)dT T. „ C� HpyO p N TRAFFIC SIGNAL CbJ ® STOP SIGN RTERIA L A (A) AM PEAK HOUR (PM PEAK HOUR) �'R SB =O(L) III DENOTES UNSIGNALIWD CRITICAL MOVEMENT L A 9 SIGNALIZED 1 TERSECTION I NTERSECTION IN DENOTES FREE RIGHT -TURN N ye LOS• A (B) 9 DENOTES CHANNELIZED RIGHT -TURN II ARTERIAL LOS 'PpT NB =B(C) O� PLa _ Pp O s^ p6s 13 4�F,y T n a� ARTERIAL L09 ; 7• p ;ap 6 I SITE C os se C(c) 1g t C E p \ ♦• C u z q S N O SIGNALIZED '3 INTERSECTION LpO N p LOS•D(E) o� A$ V0016 e`"B I pap B Cf MeA 14 C� 13 .(1<j�)d SITE N O SIGNALIZED b O SIGNALIZED O UNGIGNALIZED INTERSECTION m LOS A(B) INTERSECTION LOS= B(0) SIGNALIZED mp �� INTERSECTION RIp In /OUl Ss INTERSECTION q LOS -A(C) v 3 D I £ t Plye b fi b U L R pN^ M NOW LOS onry wc: kr crlDUl moo mMa. O O p ® e � SIGNALIZED C� M SIGNALIZED INLOSm= -- a(LON INTERSECTION Y UN o GNSECTION JJVV�L 'J ER CTION I T�"Rgb E y Right I Right 11 �l NPI.: LOS Dory prc,~ br cNHU1 movsmenm. {q, rte"{ ,�4a� ° an._'� - » .,'CU � 1 �. RUMP DIVERGE LOS-8(B) I RAMP MERGE y 1i I'' 5 I T " LOS- C (C) , • Y N/A t JVS m �z RAMP MERGE t i1 m F p L0 C(C) O RAMP DIVERGE h LOS = L (B) GREENWAY EN . I.n IJf Wordy HW Graystone Office & Industrial Park FIGURE 5 Tekptw ei, J40inin 22 RM2 "F".i ( J40 ) 66 2-41 W 2015 Background Lane Geometry & LOS Project # 2760GC aF...m,.aN SU.m £AX.�(SWI J12 -95 M foWN nfMI m..wgvwnyery;.¢m j 1 PHASE 1 TRIP GENERATION 1 Per the VDOT /County approved scoping document, Greenway Engineering determined the number of trips entering and exiting the site using rates derived from trip generation studies (increased by 15 %) performed for the following existing developments: 1) "Avion Business 1 Park" located in Fairfax County, Virginia and 2) "Fort Collier Industrial Park" located in Frederick County, Virginia. Table 3 is provided to summarize the total trip generation 1 associated with Phase 1 of the Graystone Office & Industrial Park. The Avion Business Park Try Generation Sludy and the Fort Collier Industrial Park Trip Generation Study are provided in the Appendix section of this Report. 1 Table 3 Proposed Development: Graystone Office & Industrial Park Phase 1 Trip Generation Summary H f 1 H Il 1 1 Code Land Use Amount In AM Peak Hour Out Total In PM Peak Hour Out Total ADT - Ofice / R &D 680,000 SF 301 27 328 49 228 277 3,257 - Manufacturing /Warehousing' 220.000 SF 32 25 57 20 35 55 760 Sub -Total 332 52 385 69 262 332 4,016 10 %reduction frjr trips interacting with Rutherford Crossing 33 5 38 7 16 33 402 Total Trips 299 47 346 62 236 298 3,615 ' Trips are based upon rates derived from "actual" traffic counts conducted at a similar sites., These rates were increased by 15% per Scoring Form. PHASE 1 TRIP DISTRIBUTION AND TRIP ASSIGNMENT The distribution of trips was based upon local travel patterns for the roadway network surrounding the proposed site. Per the VDOT /County approved scoping document, Greenway Engineering utilized the trip distribution percentages shown in Figure 6 to assign the proposed Graystone Office & Industrial Park Phase 1 development trips (Table 3) throughout the study area roadway network. Figure 7 shows the development- generated weekday ADT and AM/PM peak hour trip assignments. 1 PHASE 1 (2015) BUILD -OUT CONDITIONS The Phase 1 Graystone Office & Industrial Park assigned trips (Figure 7) were added to the 2015 background traffic volumes (Figure 4) to obtain 2015 build -out conditions. Figure 8 shows the 2015 Phase 1 build -out weekday ADT and AM /PM peak hour traffic volumes at each 1 of the key locations identified within the study area. Figure 9 shows the corresponding build - out lane geometry and weekday AM /PM peak hour levels of service results. All Synchro and HCS+ levels of service worksheets are included in the Appendix section of this Report. 1 Greenway Engineering has provided Table 1 to show the 2015 background and Phase 1 build -out levels of service, vehicle delay as well as the 95 percentile back of queue, by lane 1 group /approach, for each of the study area intersections. s Gi avvtane Office & Industrial Park - Traffic Impact Sm GREENWAY ENG_IPIEERING File Number. 2760GC 1 August 24, 2009 Page 14 1 GREENWAYENGINEERING,oc. Gra Office & Industrial Park FIGURE 6 ISI IYrWy HWl - IW��M1u�e {.Imw 31603 p� _p TeleyMr.(SI0f 661 -ItBS a�m A%•(Hq l -�� Phase 1 Trip Distribution Percentages Project #2760GC lw.Wd x1911 mrw ®a� ^w)fOin Note: 10% of Graystone Office & Industrial Park trips would be distributed to /from Rutherford Crossing via Snowden Bridge Blvd Merchant Street at Route 11. The percentages shown on this * Includes 10% trips to /from the Snowden figure are based upon the remaining development (90 % ). Bridge Residential Development I LEGEND 1 a O X (1) INTERSECTION# AM PEAK HOUR (PM PEAK HOUR) 10 µo Old Char Q °N'° I W °gd *4i� $ ,� i� 8 s r 100 DENOTES WEEKDAYAVERAGE DAILY TRIPS (ADT) 'C I h r ^ �t K 11 0 9 I O n 1.k59\ r ? � °j a ° 8 N p! MB ryn p Y T 12 rp p 6 361 �a 11 ° q, ;0w 4F v 361 6 gdiL boy ° 16 G 0� SITE 9 5p ^ 5 hx C. 9 L m °kp �N �gp 2 3 1 ,591 g0! 1 gfUg °n 14 ,> W g 1, 1 19, L N 13 11 SITE \16115 r' 0 b O O b m 091 a 9\J9\�p1 Ipe M 'i \ PI "e g Nf Ae , j1 �'; ? ,5,�jq9 11 \61119 3 0 g Qy S4 \ p5`ry 9 0 'P� ,l \ TZtGJI 1 ID P ��BM1N` e'b � 11 y s� \b �\ \ 11 11 m J x J r 410 P m .�/�➢➢ � g Bna a SIM m (42)199 �y i+ GREENWAYENGINEERING,ga. Graystone Office & Industrial Park Is,xw.p Nmr 22 FIGURE 7 ars �:(Jo� « ,„, N , Phase 1Development- Generated Trips Project N2760GC I 1 1 1 LJ n F 1 1 L 1 1 1 1 C C' LEGEND ♦SVv i6 X(Y) INTERSECTION/ AMPEAKHOUR /PM PEAK HOUR) 10 w° OId CN1r1 Q� °NO 'q• H Ped m py' 100 O - R PS OENOTESWEEKDAYAVERAGE DAILYTRI C OKA� Z� O n n n a Q 9 )l �- 9 MP e °6 P �/ 12 P r ' 61� � B 11 v 7281 b 9 A O ' SITE i , a w1�4I1► 4 5 C E 3'1 a 9 ^ L ?� w m A ea y r 00q' a �w MB 1p9 "' 1 Pe g P° 14 P° 6'r W� 0493 y 433 '�' L N wr �$ � •+ a 13 N SITE 11 e\ •ny6� OsAesls°�� i O O O 9\ a LL,49�\ �` \ Il p91 v,.��j1 11 mo �0b1Ne i y � e PYB Ae- PK B y r a ®q.y,, P \K b0 VBarebJn`� \``c440W smPebJ Ow J r ��� y B J 4O y ev \ •JP V � 11 py \ �d 1 l 11 12 @0 1© $ = a %M 0(0) Sn0 0) ee,11 a DM o 90 5 �m O 3 GREENWAYENGINEERING,IBC Graystone Office & Industrial Park w� N� FIGURE 8 2015 Phase 1 Build -out Traffic Conditions Project k2760GC e cwovkwi.re� lwx: Uwl nz°rze sa•mw .lnl ww.q«.�¢e nom H p 1 E E [] 1 1 1 I I u L 1 C [I 1 LEGEND c� tl INTERSECTION LANECONFIGURATIONS 10 µ c OC �ef /p C� H^aa g TRAFFIC SIGNAL Otl° RTEMAL LOS ® STOP SIGN S w >� NB •A(A) SB • O (Cl A (A) AM PEAK HOUR (PM PEAR HOUR) 1 * DENOTES UNSIGNALREO CRITICAL MOVEMENT Or�pd+ p ey @ INIERSELTEION f DENOTES FREE RIGHLTURN DENOTES CHANNELRED RIGHT -TURN II A?BRCLDLOS LOS -A(C) °U. 8 A rra � M 0 `pr°Oj / 11 12 ^ 4, f @ 7 S n ARTERIALLOS NB =C(c) e p S ` 15 SITE e'G SS.D(F) v. A a o Q U= O C 3 3 I IN IN TERSE CTION �N N� LOS -DfF) LOS. D(F) e 14 ary /Y W a U y M 73 V O SITE " O SIGNALIZED b INTERSECTION O SIGIULIZED INTERSECTION O b © UNSIGNALOED INTERSECTION m LOS-A(B) LOS-B(B) SIGNALIZED m y�i� ��� INTERSECTION L.t'� R11ht 1N O ^N II pLp� ] 1 LOS• A (B) Cpl m 3 ' 1 J 1 1 N es �✓j '"m Ma p C/' m e " v��7j Plµa in 4 b � c Q M el^ V' NoN: LOS myprovWM for cNOUI m6vemeMe. O O s4e e C ,✓ //a/�v. �a SIGNALIZED ® N , 1 6`00 Q ® UNSIGNALRED F INTERSECTIONS R SIGNALIZED IN l09B C ✓j[ � () V IN S EC BLTKIN L ,y (� ' � MaW' " � �n (+, V ,(� (` T CJ UNSIGN � (� INTERSECTION CTI, FIBSIINOUt e T NM R O� Only Note: LOS only PMWE d ctltical movements. ] I © ® @0 � 1© UNSIGNALIZED 1® INTERSECTION IN TERSECTION RAMP DIVERGE LOS- B(B) 1 R AIMP ( Y LOS•CC) A m "b YIV111L�1 BnE aBM I. RAMP RAMP MERGE LOS= L(Ll AMP 4 C QN O DNERG �L6 & h LOS- C (B) o ItN GREENWAY ENGINEERING, INO. Graystone Office & Industrial Park IJ / HW La FIGURE 9 WUdy ne W—h., mw 21601 F � P X fb u�= y, 2015 Phase 1 Build -out Lane Geometry &LOS Projedp 2760GC u l l P n B.mm 1 Table J Gra%stoue Business Park Levels of Service. Dela and Back of Queue (95 %) Results 2015 Phase 1 Backgtmm l and Build -out Conditions Pb L1� GR AY ENGINEEWItil' Gralwone Office & Industrial Park - Traffic Impact Study File Number: 2760GC August 24, 2009 Page 19 ]ull 11010:1 -um Canbllbm Wn.rrll+a MIP.I IIw t\IPM IIS MIPrd Ow 1pllK llw nWr ws IMP IM rrr) IIOfM) arts �w LQG Marll NfM) 10.9 O 1)anr Ib11rr1 Ih le+ll IA)S DrI3Y Ib 1re1 QerM @IMl M IMIOIk.. 1 ,v6: PrlbL 11I:A-1- h. C-III SlyLah++ tut 10±6 F U J9+. 1mtl F IN +. Sn!q FBTA A a.. L'S b r 96 A SJSB A 1[ttl A ea. SNq rates A D A B 1AU:t a :L. ( ❑R U JOa 106 D Joc Sib C `Ja 1111 UST A ev. N6 C SOa .11 111 A 1a !OR C 11+ SNp IS la 0X A la 08 uR L(At A C A C NR1Tk C J!v. IStl D !!. 118 C PSa ISR D Jt a. 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VO A 1• OH SB LOS A D 5 c (IC110.Y AI A D A b RR NA: V, RSa 11 :M: 1.11 NP OH.Fq Ta11M Il.nJalwhxuvl� FBT A IOt 1iJb A @+. b0 A 1+. I 116 A 9•. 600 FBLQS A A A A 0.RT A ..V A 1312 r A A 1. A lu. y00 US IAS A A A h8L U 1 1 %a Soap U JL. 5936 U )•+. SWO U s09 2:6 MR C % Ie1M1 p J:a 1100 D 10+ S11tl D J:a 10!0 NP LIU C U U 0 IJCFRASA. R fl P B IA INS: MRw:. 11 VR'AB: N.J PM N {I -YI NP4R^ T'd C.vr.k.LpierM. 481 b I Ilt pep F 1 1191. IN6 A H. 91b U 4+. 3iY6 MT A 1:@ A le ap 't A I !Itl MR A la. JO A 19. Ifl A la 10 A la Otl 3'D IMS A D A P IA81 A 1 16 P 11. r6 A 18 D U. 116 RTT A I" B 1:.. 5010 A aeq P 1{a Shch l4'[1R A la. YR A la. In A 1♦ Otl A UM 'IT LM b A B IrT LTR 0 1 Y.a NY R s: +. ITR C lla. i 096 7 9+ DSR A91AY C F C C !: \F RI. P C A P no .%: IisRS.11 B: Aa.. /ra Wi4. Blri n: @Inr0�l wr..1 ilvlM1 far::4: slpuWwl� FRI. f S0+ I e16 C li a. SIJp C :0a 93tl C )L. SOOp ETT A Iv IDtl A t+ I)A A 9v Iitb B ISa I FBR A la IOP A Ir. ld A Iln A 3 • %6 FMIAS A b B vr1.L D Ju.. 190 D W +. 1!R U \IHT \\9R A Ja. RR A I:n :Ib A - ' C 16B \ \fi 1.OS P [• NB1 U IY+. J9p I} JL. AB U 1] Jtn U JOa. 10.@ ALT 1} JOr. 1!b D Il v. Ntl C 1!v. lln I} ):a !OY A8R 6 1 v. Sen X 1 @v. Sy6 P Il a. ]tR If IYa. J96 NM1 IAS C C 1 C 8a1 D 1 J0+ 1 IpR 1 IOIR I) 11 a. i :etl D !I+ i 9Jtl .T n n.. I:b P 741 up U ala 1 ) D 11 .. J@ nXR tl 1 }r. IlR P I 1,, 1 711 P lea. I:p P 1'a :IR A'p l.l?b G C 4 \'3'RAIJ. P C C rP'\caaURMrII sR: ITA. ArOhwn Tn(fX l'MVLL WN�A kIIi A 10 r. 1n A 1Y+ 06 B IOa )b A 10+ On EST NIA NA NG NU N =A MA N:A N'A I N'A NU WA A'n RP Loo MST 4:A I NA I WA Wb N!A N'A NA WA I WA N'A WA N'1 PTR N'A NA I NA N'A I WA I N'A Im L(AS NA WA yU NrA 6D C IOa IX C SOa 191 C 1:. ID C Sla T ob pPA WA NU N'A N'A WA NU IJ'A NU 1 NQ N'A N'A N'A IB LIM P C C I\11: IN/Ibbr T.�Y WY NB SO:Iti InliN l'mM: YMJZwYa MVt B 19+. 1 161h L Ne :d ?R C r. 1 219H F 9JV )dap USX A Ja SSX A ea AB A 49 22 A \ \DINS B IJ D [ NPT M IJ+. 1 Id!tl 6 11. 1"0 M 10+. 1600 B 1!a "In MR A Ia S1@ C ItidX A 1e. 1 S ;0 D A1. S9&d NM LI. R B P C YISL tl Id♦ 1 %IB F 9L. 1 }Ib B I9a 016 P Eia 1!66 9RT B I!a R:d A 1!e0 B 19+. Silq A • C U!p .1R IAU B C fl oATIIALL: 6 C 0 C Pb L1� GR AY ENGINEEWItil' Gralwone Office & Industrial Park - Traffic Impact Study File Number: 2760GC August 24, 2009 Page 19 I PHASE 2 TRAFFIC ANALYSES (2022) The proposed Phase 2 development is to include 1,130,000 square feet of General Office / Research & Development and 370,000 square feet of Manufacturing / Warehousing with access provided via the intersection of US Route 11 /Snowden Bridge Boulevard. Phase 2 is be built -out by Year 2022. 2022 BACKGROUND CONDITIONS In order to determine the 2022 background traffic conditions, Greenway Engineering increased the existing traffic volumes, shown in Figure 2, using a rate of 0.5% per year through Year 2022. Additionally, all trips relating to specific future "other developments" located within the vicinity of the site were incorporated. Greenway Engineering has provided Table 5 to summarize the 2022 "other developments" trip generation. Per the VDOT /County approved scoping document, Greenway Engineering utilized the following sources for establishing 2022 background trip generation: 1) the 7` Edition of the Institute of Transportation Engineers' (ITE) Trip Generation Report was utilized for Bishop - Amari, Rutherford Crossing (remaining parcel only), Adams Commercial and Easy Living Associates Commercial Property; 2) VDOT 1 residential rates were applied to the Snowden Bridge development; and 3) Rates derived from a trip generation study (by Greenway Engineering) performed for the Fort Collier Industrial Park (approved by VDOT /County) were increased by 15% and applied to the North Stephenson ' Tract (Omps Property) development. The Fort Collier Industrial Park Trip Generation Study is provided in the Appendix section of this Study. Note: Per the VDOT /County approved scoping document Greenway Engineering has assumed the relocation of the 1 -81 northbound off -ramp to intersect with US Route 11 opposite the existing 1 -81 northbound on -ramp. In coordination with this improvement, Red Bud Road trips would be re- routed to Snowden Bridge Boulevard via the North Stephenson Tract (Omps). Figure 10 shows the 2022 background weekday ADT and AM/PM peak hour traffic volumes at each of the key locations identified within the study area. Figure 11 shows the corresponding 2022 background lane geometry and weekday AMIPM peak hour levels of service results. All Synchro and HCS+ levels of service worksheets are included in the Appendix section of this Report. H 1 1 c - Graysione Office & Industrial Park - Traffic Impact Study GREEPIWAY ENdIN EKING File Number:2760GC 1 " - August 24, 2009 Page 20 1 1 t t Table 5 2022 Background "Other Developments" Trip Generation SummatN "Trips are Loned iymn rates derived tram "no0.y" b'afiir counts conducted at a eu ula.cite., lliese rates were irritated m' IJT i "n per Jcopwg roan. GREE AV ENGINEERING - I rallie Impact Wuat File Number: 2760GC August 24, 2009 Page 21 AM Peal, How Ph1 Penk How' Code Land Use Attract ADT Bt Oul Total in Out Total Ninth Stephenson Tract (Owps Property) - Lidd 5alustrial a SOO.ODO SF 115 91 206 73 126 199 2.762 Snb -Total 115 91 206 73 126 199 2,762 10% reduction for trips interacting with Rutherford Crossing I1 9 21 7 13 20 776 Total Tripe 103 82 185 65 114 179 2.486 Snowden Bridge (Foluar y Stephenson Vu 210 Single- Fiunily Detached 288 waiter 53 1 211 175 103 278 2.877 220 ApuUUeat(80?L%'DOT +20 °6rM 220) 5 4 unite 8 28 36 38 21 59 569 23D Tmvolwose!Condo(80% \DOT +20%rl'E 220) 58nuitr 8 30 38 31 17 48 481 Total "Nex" Lips 69 217 286 244 141 385 3,927 Bhhop -Awari Pwlel. (Rowe I 1101 Cluuiesoonn Road) 814 Specialty Retail 1S000 SF 31 20 50 25 32' 37 679 853 _ Cowell. Man wipnav,i l6piaiyts 137 137 275 154 154 308 8.682 932 H -T RCUan:nt 5.000 SF 30 28 SS 33 21 55 636 sub-total 198 185 - 382 212 207 420 9,997 Pars -by Trips 40Y(Ccde 853) 55 55 110 62 62 123 3,473 Twat "New "Tripe 143 130 273 15l 146 297 ti524 Rutherfod Croxshngs (Rewahnhig Development) $50 G'ocny Store 50.000 SF 114 73 187 2' 267 539 4.739 Total "Nex'" Trip. 114 73 187 275 264 539 4,739 Adams Cian nerdal 150 R'arehoiuwg 1'_0.000 units 78 li 95 19 57 75 792 151 Self - Service Storage 140AOOonite 12 9 21 1$ 17 35 334 710 Office 120.0001nits 191 26 217 36 177 213 1.535 812 Buildine9 -amber Store 25,0003F 44 21 65 59 67 126 1.024 860 Mioletate Market 150.000 uad 41 34 75 14 17 32 1,010 Total 366 107 473 146 334 481 4.695 Eery Uvtug Asearlatee Conwnwctal Property 151 Self- Service Storage 35,000 SF 3 - 5 4 4 8 82 710 Office 35.000 SF 71 10 81 20 98 118 594 820 Retail 45,000 SF 59 38 91 1 192 370 4.041 853 Coin en. hint s'pmnps 161 .uare 137 137 215 154 154 308 8.682 934 Fan Food w/ DT 5.000 SF 135 130 266 90 83 173 2.481 Sub-Toad 406 317 723 446 531 977 15,880 Pass -by Trips 25 % (Code 820) 12 12 24 46 46 92 1.010 Pass -by Trips 40 % (Code 853) 55 55 110 62 62 123 3,473 Pass -by Trips 40 % (Code 934) 53 53 106 35 35 69 992 Total }'nss -by Mips 1' -0 120 240 142 142 285 5,475 Total "Nex' "Lip. 186 197 483 303 389 � 692 10,405 "Trips are Loned iymn rates derived tram "no0.y" b'afiir counts conducted at a eu ula.cite., lliese rates were irritated m' IJT i "n per Jcopwg roan. GREE AV ENGINEERING - I rallie Impact Wuat File Number: 2760GC August 24, 2009 Page 21 fl L 0 u 1 1 1 1 1 J 1 [1 1 1 LEGEND N 1 0/ OF INTERSECTION / 0 C ha % (y) AM PEAK HOUR (PM PEAK HOUR) eed ]OD DENOTES WEEKDAYAVERAGEDA &YTRIPS(ADn C \C h g C,a o �F 11 0 o m° a ay 9 � \5 � y � eAa P' 4 r6 6 °h O I� IS 0� 6�. k 1 a ♦ y991� 9y � �. .'o. e 733 &r6i��o 6 SITE Q9P�61yb,� 4 O 15 � v q po O m G °w 3 o � 1 or 3 r 11885 9 3 m O Ci D Y� N11 '01) pee 0e� N Y IYa yp 14fi y T 14 �� 13 SITE 6 \ 1es� 4 m� tg rd o 4 ( \e8 �� l N ! . P Y � 11 P u \�A ♦y \B9s� g \S "'pill p\e0 � RELOC b 4 r INT ECTION�,y PM >n 4 s ` t 11 n1a�,n m4` .. 11 ♦� ♦yyfll`y��� �s` - Y r a�.��96�► � x. O ® O 9� � o ` o ♦M1`q� Ae le ♦� a4 \ 11 mod` I1 ♦ 11 1© n 13 1� A Q i t S,"d°1 � + ''` ,�• o ♦ 1[ 0e {4 M �dY 'k ym �R s 1ti GREENWAY ENGINEERING,.. Graystone Office & Industrial Park FIGURE 70 l51 Wvdy HYllnm W 11601 (5Wf R3 -9538 r FAX: 2022 Background Traffic Conditions Project # 2760GC d £ wwurcwl.GnYO IouMrd bl➢]1 xw.4^mwNeWrom I H 1 i p [1 1 I 1 1 1 1 i 1 LEGEND b INTERSECTION/ c 10 N lzi LANE CONFIGURATIONS 4 XP 4Y *' TRAFFIC SIGNAL �O� J RTERML LOS ® STOP SIGN SI' SB � A(0) NB D(C A (A) AM PEAK HOUR (PM PEAK HOUR) 1 * DENOTES UNSIGNAL2ED CRITICAL MOVEMENT G FA. s w SIGNALUED O INTERSECTION DENOTES FREE RIGHT -TURN "8 9 LOS +A (C) DENOTES CNANNEL¢ED RIGHT-WAN I I A RTERIAL O4 / hr H,o NB • C (D)� sy P� r V '2 ^rn�ep II IZ ,T RY AD 7 dr4 11 C ARTERIAL LOS b AP SITE 10�P se�C(F) .��OS 15� v 4 \__— O CrD 3 3 -- IN t INTERSEC Ode LOS •D LOS(F) (F) 2 A 4 RD p\xP Von Al sW •rUF WN 'E' � $, 13 O °ed SITE 11 o`SITE O 3 SIGNALQEO 4 s --� O S O 6 UNSIGNALRED O NTERSECTION LOS A(B) p - 9 L �rt ) '^Ak d SIGNALWED I NTERSECTION RIBhIINOul a� 11 x IN TERSECTIO N -B D Only RELQC 0K "IN T ECTION> I '' "4 J P s uTr E w $ 1A h a O P O ® UNSIGNALIED e lU � �N SIGNALIZED p \x Q, �,� INTERSECTION GY SIGNALD'ED A Qi INTERSECT ION,/ //� a. LOS -B(F ) 1 "6 INTERSECTION (� 4 t �J NRED T RH (� I NTERSEC Righ Uf chly anb I1 + 11 e Naito: LOS PRIy p.,ich E /Pr cUNUl thh ....M. RAMP DNERGE LO - B (B) 1 RAMP MERGE + LOS- L (C) a BS "o ss 'ty *i1 }4`i?$: �Q F 2 x RAMPMERGE LOS. C(C) 1 1 f 1 5 ' m0 0 + RAMP DNERG LOSS C (B) OF ♦� ¢ .: 1 aiu� i e H GREENWAY ENGINEERING, Mc. Graystone Office & Industrial Park FIGURE 11 IJI Wv Ahff — ZSMT RFpl (5 95 41 2022 Background Lane Geometry & LOS FAX: IS Hausa Project # 2760GC pawtlM nlNl wnn:grtenwy�t+{q�w � iI iI 1 1 1 1 1 F 1 1 1 0 1 1 I 1 PHASE 2 TRIP GENERATION Per the VDOT /County approved seeping document, Greenway Engineering determined the number of trips entering and exiting the site using rates derived from trip generation studies (increased by 15 %) performed for the following existing developments: 1) "Avion Business Park" located in Fairfax County, Virginia and 2) "Fort Collier Industrial Park" located in Frederick County, Virginia. Table 6 is provided to summarize the total trip generation associated with Phase 2 of the Graystone Office & Industrial Park. The Avion Business Park Trip Generation Study and the Fort Collier Industrial Park Trip Generation Study are provided in the Appendix section of this Report. Table 6 Proposed Development: Graystone Office & Industrial Park Phase 2 Trip Generation Summary Code Land Use Amount In AM Peak Out I[our Total I'M In Peak Out ]lour Total ADT - Office /R &D 1,130,000 SF 500 45 545 82 378 460 5,412 - Manufacturing / Warehousing • 370.000 SF 53 42 95 34 58 92 1,278 Sub -Total 553 87 640 115 437 552 6,689 1006 reduction for trips interacting with Rutherford Crossing 55 9 64 12 44 53 669 Total l'rips 497 79 576 104 393 497 6,020 I rips are based upon rates derived from' actual" trailm counts conducted at a similar sues., i nese rates were Increased oy u, per .,.p or, runn. PHASE 2 TRIP DISTRIBUTION AND TRIP ASSIGNMENT The distribution of trips was based upon local travel patterns for the roadway network surrounding the proposed site. Per the VDOT /County approved scoping document, Greenway Engineering utilized the trip distribution percentages shown in Figure 12 to assign the proposed Graystone Office & Industrial Park Phase 2 development trips (Table 6) throughout the study area roadway network. Figure 13 shows the development- generated weekday ADT and AM/PM peak hour trip assignments. PHASE 2 (2022) BUILD -OUT CONDITIONS The Phase 2 Graystone Office & Industrial Park assigned trips (Figure 13) were added to the 2022 background traffic volumes (Figure 10) to obtain 2022 build -out conditions. Figure 14 shows the 2022 Phase 2 build -out weekday ADT and AM /PM peak hour traffic volumes at each of the key locations identified within the study area. Figure 15 shows the corresponding build -out lane geometry and weekday AM /PM peak hour levels of service results. All Synchro and HCS+ levels of service worksheets are included in the Appendix section of this Report. Greenway Engineering has provided Table 7 to show the 2022 background and Phase 2 build -out levels of service, vehicle delay as well as the 95 percentile back of queue, by lane group /approach, for each of the study area intersections. y Graysmne Office & Industrial Park - Traffic Impact Studv GREENIlIIAY ENGIPIEERING File Number: 2760GC I August 24, 2009 4 Page 24 k" 'a t 1 1 I Note: 10% of Graystone Office & Industrial Park trips would be distributed to /from Rutherford Crossing via Snowden Bridge Blvd /Merchant Street at Route 11. The percentages shown on this figure are based upon the remaining development (90 %). * Includes 10% trips to /from the Snowden I Bridge Residential Development GREENWAY ENGINEERINQN� Graystone Office &Industrial Park FIGURE 12 IJI R Lrdy llW fnk NbiJwn<r VM.. 32W2 6 >>' =�MeS Phase 2 Trip Distribution Percentages Project # 2760GC H [] 1. 1 0 LEGEND 9 59 lU 21 X M INIERSECTIONN AM PEAK HOUR (PM PEAK HOUR) natl �^9 700 DENOTES WEEKDAYAVERAGE DAILY TRIPS(ADT) ^ M1q< r � P 11 (D (� u m ay 9 R 4 GJIJPwa ye19 e;x 0 � � d se .d `ll y S PJ MP�P,po �] ew "i°d ° °e 12 nP�ry .7 A 0 5 02 Oy a e 11 S 602 Rr ° 5 9 � T° O ` d'I 15 a SITE 763 � ii N C -.5 O F t `� s5 a O A 9 n h Q2 f O 3 ° 40 CROP 1 -3 45 N 2 � O O� 1 3 b981 y P�ka 1 °OP 4a M 5�5 A POy H'a 452 Gj',' ]A L e ;n a ] ♦� SITE �, >e O m ��' �v "R � ,4 .aFi O �'i ~ .�q�. � � y � ^ 1 5 � e yy, I1 '-, ,hy,�rr a .� �EREL`OC 9 �� e � o ,sW i �� P1 h 4 �'INT ECsTION,� �r a + � e ew � ro � ti # X51 "HRil b � µtr —T & Le *t x '18 1/• `y b \1 � j�tn� *iyf. }ii.�,4��5R�`!� y'tA¢ 1�5 \�'1A � 11 , a rm °t Q e 1.,� t✓ e 'lly y e PtTe � �tl• n� �d e � 4 �� � sP � (J2 e � ��O 1 40 0 �(ItI ) M1 l Q, 11 �8'Yl� 11 � SnoWen eriE a BhN 9 22 �' h q GREENWAYENGINEERING,MC. Graystone Office & Industrial Park FIGURE 73 NS 1,p&— . Yee - 4185 '°40)' -95 8 FA isao)nz -vszs "5 Phase 2 Development- Generated Trips Project # 2760GC o-cm„oodse.m v�emini w,.,V.srewm�sron, k p H U p n 0 LEGEND ]0 X(Y) INTEftSEOTION/ AM PEAK HOUR (PM PEAK HOUR) pld z �t Iii N [> 100 DENOTES WEEKDAYAVERAGE DA/LYTRIPS (ADT/ o° h c �lpF9 ( n ry J Op,{dP 70 15 el Paa ' 11 12 11 g 51 �od�"d v 793 6 PBi ^^ SITE 1j4y�e�� �' m 1 t5 O E yeQp 91 h5 ° � ppp r9 e , 1 3N t 1233A d O 16 3 A9 A ptlp H'a 11 1 p9 }—' ° m 13 i4 w 'D SITE 11 Jg l � Q ' 'p 381 t'M1i y�. Il ¢� 3 R° g 11'n j3 `f0\ P" �° 11 +SSRi .21G`i s °� 1 I$ INT ECTION l 566 11 P¢g,'"i � Al \30,1 s'y m 113 x,1 61 1s a1 \ m r� I l ,' 1 \e19\ O yy O ® 0 10 �1 �µ ^S� ? , SIP. �VJI � / �JJ 1 J ls - �/Ip �Qls ]7 1'6 1 OO W 11 P11 �11 � ;� g pv ° O ti° 1 z � q W u o e' a o 4- 0(0) e m DA 9J1��� u e p o VSnM)nRddeBM 3 $J I JI (06)121 �� 0 `1 1P� ` \'4 (69)JJ p A .�O.S �b � of t g� hou.. Of 3 GREENWAYENGINEERING,Ma Graystone Office & Industrial Park FIGURE 14 mtr H 2 T e 5 y 22 Equeerc Sw�ewe RlepM1are: (SbJ bS¢ -N9J 2022 Phase 2 Build -out Traffic Conditions Project #2760GC d GwwuwuJ SnWV FAX. (Jb)712 -9338 fwMp1 p IY)1 .gp nwu3eng e'am � LEGEND t INTERSECTIONC tU tiChar /q 7, T, d ,1 N LANECONFIGURATIONS C RD TRAFFIC SIGNAL J� CyJ� RTERIAL LOS ® STOPSIGN + NO -A(B) SS-E(C) A(A) AM PEAK HOUR (PM PEAK HOUR) * DENOTES UNSIGNALIZED CRITICAL MOVEMENT �PM W O SIGNALIZED INTERSECTION DENOTES FREE RIGHT -TURN N ay R LOS-A (C) DENOTES CHANNELMED RIGHT -TURN II AR N6R I O L D l L °rd ALL1 sB ® .ai) y U �i ry o ]1 tx � � g O� ARTERIAL LOS 6 •f'p SITE 10�A x SIGNALZED c� 3 9 0o m C t INTERSECTION LOS•D(F) m < a ° x . t) a y � � E F0 Gam, {�✓��) aetiv Wy } ` m 131/ ;gym SITE W' i 11 °a O O 3 SIGNALZED • O` f'+�ie� l I. O © UNSIGNALIZfO INTERSECTION LOS- BIB) a y � I a SIGNALIZED a INTERSECTION MIN lsWul �t INTERSECTION l �� y�D sSf -K� jxY ii.•fyS � ti� LOS. B fD) Lf IN ECTIONIy "'Q� �� Note: L09 only Provided br critical mpvemenb. O Q y ^ © O UNSIGNALUTO 10 dµe R INTERSECTION 1 �C4 y �• � SIGNALZED q. Pti e QiF 6l SIGNALIZED G ION INT C (F) LOS = F) 1[ INTERSECTION A , LOS. B (C) J L • D JT. V J/ v � (` (� �l UNSIGNALD:ED I GTION Rilid I °'iy T Rqb Only 11 11 `e Note: LOS only Provided for critical movements. y_ 1 t 1© @0 �0 1© o UNSIGNALUEO INTERSECTION to . q UNSIGNALIZED � INTERSECTION RAMP DIVERGE Loses(0) � RAMPMERGE t� g R A(A) $Q RAMPMERGE te' R -(A)A L�J Ca T1 RAMP DIVERS y0`y 0 LOG =C(B) 8 GREENWAYENGINEERING,mc Graystone Office & Industrial Park FIGURE 15 151 NiMV xW (rind Wwhetln, li 11b01 2022 Phase 2 Build -out Lane Geometry &LOS Project 4 2760G FA r (l.B) T11N51S n c.wwm,ulsn.m fwMd Nl %I xw;grt[nxVy<ry'.Wm 1 1 1 1 1 1 1 t 1 1 Table 7 Graystotic Business Park Le'v'els of Senice. Delay and Back of Queue (95 %) Results 2022 Phase 2 Back aad Build -out Conditions IT. GREE UdY ENGINEERING Grawwone Office & Industrial Park - Traffi c Impact Snldy File Number: 2760GC August 24, 2009 Page 29 20. Buok0leund 0,ai ilious PH..e: Budd-ul C..,dilo., W en.abo ASI P'l Nw P61 P.ul: H_ ASS P•vl: H- PAI P.A H. Ims Im 1 el••11 Ids IR l Ib f•.11 LOS IM 1 li•1•.11 LOS Ue r�1 .=o ED' RD: US R.,q. 11 NB: Px.D.lawr SN:C1.vn Le• Thal• V-Il L Slwntlx.IMO L E 69. I ISIA F ICt 3)IX H 69+. IIIX r 1:6t 3J6tl F A I ' 1 1760 A 261 N A 198 fi A t B :66 fl CD LOS A A A \lT1 1!b E Mv. 28d ll J:.. 16tl \BT A 6r. 560 C :3 r. I A S.0 C JO y. 220M IT A I. 0H A 0.. nN A Iv. ON A 0.. OP JAB LOS A C A C NALTR ll 5l. R0 11 1 45, . 1 510 U T Jt +. 3:0 U !A. 60N NT LOS D U 11 1) 511LTR D i9c !9N U J9 •. I 85d C 34. 590 D 43. 930 \B LOS D D C U O'Tr W A D It C ERMA: US R.m. 11 SR: K.w_RM NT: AS.o La. TwRM I:wrJ: SlpodaelMe ML F 1 85, 1 28) 0 F 231, 16011 F 1 113., JISH F IAv 46)b ED`rR c 1 24. wI, C' 2v • D J68X C :!. J360 C 23.. .12 EA LOS C U U R'AL R 39. 136D B 21, 1460 E 60.. 110 E SI.. Io lYB? R !id F I0v too U Ur. ilJd P 1]a In3d ttbR A %X A Jr. JSN A ¢v. %A A 1 J.. 1 340 RD Los Y U Y N LM D 53r 133H P I'D1 21411 D 1 33a 1330 F 1 415c 1 2360 AT Los D F D r SRI F 95+. 180 F 1]J. 9Btl F 95. 3489 F 1 %s. 599A SNRR N 11 .. Dfl C J.. 16.0 B Il v. iffl C 19!fl ]D LAS D P D P O \`BALL D F D - F ED "Ma!S R., SB:1 -8188 Ray, TnIB1 C'.m191: SIplutlz.Me E%T A ID., 27 C :. ' I 60511 C :0.. 1!:11 H 19.. 2)Jtl EAR A Jr. i5:d A S. OP A J. Il2fl A I.. OA PR LOS A 0 B R \\RI A 1 7 :Ifi C I01fl E 6'.. 2;Ofl RTT A Is. 00 A dy. 118` A Jr. U9N F' 1r. Od IT 1.(1S A B A B SUIT U 1 36.. 1 IAtl E 6:. 2334 D JL. 2010 F 102.. 3610 8NR A iw i Ofl A I.. ON A la OX A Is. Ofi SA LOS A C R D OCYHALL A B B B ERA \ \B: OSHM.11 NT;IdI NHR�, TIe3M C.a..i: Slreatltwln W1'1. H 19 e. IISN N r8e Ji4N - 7 - FT a JJfl F 1631 !0911 FRT A 3z 29fl - A T TT A . A L LE IT LOS A D A 0 ATT R L3♦ Ilia C JB1X B I34 II8A E 63. %itl tt'IiR A la A 3. 2lfl A Ofl A 6.. !Dfl I'm Los B C 0 D NB1 C 3J r. IsSN C 5¢s. 48211 C 30. 1'0 D 54.. 3;10 NN.1' R i8 e. lift C fl v. 2111 N I:a 1111 C 1 l:. 2la N4A R 15, 1618 D 46. 5DB D 36" 22!9 D Ns. J01a NIT LDS C D C 11 O \TR. B U B U EB IS: DS R... 11 aT: Se.w.re DOES, BIW SR: Abrtlou S... TmIOr C..'"; SIpNit.IM M. 6!0 D JI e. 2PX C 3!y. 619 1) LL. 2JJX EAT A 9n. UfA b 0 161A B li. IUA b 1!v. _50P ERR A 2r 160 A Iw Itl A J. !0 A 1.. 4 EN LOS B B C ORT. C :5.. 19fl D Hs. f3fl C 3J S. J!fl £. 61. 59fl \ \'bT N 208 1:69 D J9 v. 1!411 H 2O V. 11611 U J2t 38bfl \\TR A + ED A 3r. ISd A HX • C A . 3 179 \ \A LOT B C U NRi1 C t•. 1 190 2!v IfM1 F. 4.. NIA P8T C :J e. Intl D Ji +. :Jd C' fO V. 60d D !I. l9fl N'IfR D It+. ]611 C 9. JSX D ❑. 330 U 19.. 1 "A NIt LOS C C C 11 SRI, C Itq F. 11 •. 1`PX C I9.. pn D JO V. IP9 tl 3HT C 2.-. I:X D Jb. NO C 258 :Jtl D 39 . J2 SDR D I It.. I 338 C 20.. %0 b I 11.. 1 330 U I3 v. BOtl SH LOS B 11 C D 11 FRAl1. B C C C ED NIB: VS R. ,ll SEE: t9_ \IA sh�fhh wvS I.nn Cool SIy Sloe ML N IPw 5d 0 IU.. UII D 11. 6A U 1 10.. Oa MIT N/A K/A N/d NrA N:i NU NU NrA WA NrA NU N/A 8'R LOS N'A NA WA NIA \nLT N'A WA NA NW NA N'A N' 11A N'A WA 1 N'A R'A \1TVR NrA N,A WA N'd Nd N/A NIA NIA NIA NL4 N'A WA NET LOS NIA NA NIA NA S8 C G, 1 C 23s :I0 C 20+. Itl U :6.. :10 SRR NIA WA NIA WA N'2 NU WA N'A N'A N'A NU WA Sb1AS C 13 C 1) RH: OY Cb4a I... R., NB'SB:USR..II SwJliv CwlvN: Sip.tlJaNe %TL C 219M1 D J2r. "an C 298. III E 6 ;v'. 3890 ATR A 4r. 27tl A O. I ft A 3. :70 A 1 7 439 INS LOS B C C U NRT H 1 ss. I 1690 C 1 :v .:!fl A 19 v. ::IM1 C :rta i;6fl NTR A Jy. 29b A 9'a, 810 A fe 30d U JL, i6Jfl NT LGS B C B C W!1 C 238 OJd F 60IC :VX C A" 1270 F III 36)0 SR? A 18.. :n8fl A IOS 1;611 06 s. J32fl SR LOS R E C C Y' IT. GREE UdY ENGINEERING Grawwone Office & Industrial Park - Traffi c Impact Snldy File Number: 2760GC August 24, 2009 Page 29 I 11 I I I H h I k I I r L k H U H Table 7 (r... Ciaystone Business Park Levels of Setwice, Delay and Back of Queue (95%) Results 2022 Phase 2 Background and Build-out Conditions Gt aysIone Office & Industrial Park - I raffic linpacl Stu GREEPI►AY 'ENGINEERING File Number: 2760GC August 24, 2009 Page 30 2022 fl.ftlound C..,IftI.nI fh.0 2 AM 11eA It. "IS I'M P..k fl.w AAI P.tl 11. 1,05 FAIPw 11.. CnAM I-"., ..ft. M. r NIA 1 NIA WA NIA WA NIA WA I WA I No, re IAA I .,7 MA NIA AVIA.1 -MNIZ711*1;v!n i'-- TIT" 11 :.: 1i9 *-TT NIA PA NIA N/A NfA WA NIM ios WA JWA Nv� c 20• - C- tz.. 2JE WA NIS I 01T.14,11A, 1 NIA NIA F%A%M: S-.- hdft. HhA SAIMS! Sh.-All . 0 A 9♦ WA WA NIA fiwft NIA WA WA rRIAA N'A NIA UU1. 'I' -- r4lh WA N�A� NIA N I Nvwr &e�: EYV :;M A� A WA I WA NIA VIM 44 WA WA WA WA 71'A 11A - 7,. — Lk E,- - -tl WA MIA NHA - , 2". 1- �, , 7 C� c 1 22. 92E i7� �-` 7 - n , I ., I . - -- WA W A T NIA NH IAIS L 3 'r, c c SRI 1,l NIA f WA 1 WA W I WA I WA NIA HA I NIA I NIA III Ll '5 NIA NIA Mi KAM "::"AR , w NIA NA Gt aysIone Office & Industrial Park - I raffic linpacl Stu GREEPI►AY 'ENGINEERING File Number: 2760GC August 24, 2009 Page 30 E 1 P L C L I L 1 H H H 1 n L I L 11 E 1 PHASE 3 TRAFFIC ANALYSES (2028) The proposed Phase 3 development is to include 1,749,000 square feet of General Office / Research & Development and 570,000 square feet of Manufacturing / Warehousing with access provided via the intersection of US Route 11 /Snowden Bridge Boulevard. Phase 3 is be built -out by Year 2028. Per the VDOT /County approved scoping document, Greenway Engineering has evaluated the following two (2) Phase 3 Scenarios: A) without the Snowden Bridge Boulevard/Route 37 Single Point Urban Interchange (SPUI); and B) with the Snowden Bridge Boulevard/Route 37 SPUI. 2028 BACKGROUND CONDITIONS In order to detennine the 2028 background traffic conditions, Greenway Engineering increased the existing traffic volumes, shown in Figure 2, using a rate of 0.5% per year through Year 2028. Additionally, all trips relating to specific future "other developments" located within the vicinity of the site were incorporated. Greenway Engineering has provided Table 8 to summarize the 2028 "other developments" trip generation. Per the VDOT /County approved scoping document, Greenway Engineering utilized the following sources for establishing 2028 background trip generation: 1) the 7' Edition of the Institute of Transportation Engineers' (1TE) Trip Generation Report was utilized for Bishop- Amari, Rutherford Crossing (remaining parcel only), Adams Commercial and Easy Living Associates Commercial Property; 2) VDOT residential rates were applied to the Snowden Bridge development; and 3) Rates derived from a trip generation study (by Greenway Engineering) performed for the Fort Collier Industrial Park (approved by VDOT /County) were increased by 15% and applied to the North Stephenson Tract (Omps Property) development. The Fort Collier Industrial Park Trip Generation Study is provided in the Appendix section of this Study. Note: Per the VDOT /County approved scoping document, Greenway Engineering has assumed the relocation of the I -81 northbound off -ramp to intersect with US Route 11 opposite the existing 1 -81 northbound on -ramp. In coordination with this improvement, Red Bud Road trips would be re- routed to Snowden Bridge Boulevard via the North Stephenson Tract (Omps). Figure 16 shows the 2028 background weekday ADT and AM /PM peak hour traffic volumes at each of the key locations identified within the study area. Figure 17 shows the corresponding 2028 background lane geometry and weekday AM /PM peak hour levels of service results. All Synchro and HCS+ levels of service worksheets are included in the Appendix section of this Report. Graystone Office & Industrial Park - Traffic Impact Studv GREENWAY ENGINEERING File Number: 2760GC d _ r August 24, 2009 Page 31 I H p 1 l' 1 C 1 1 1 1 C G F n Table 8 2028 Background "Other Developments" Trip Generation Sunnnan Ti ills me tav eil upon rates derlt'ed $Oln "nrhial" traffic counts comhuted at A ninilai Site., - Ibese rates \Yele HIM MO by 15Co per' MOIR119 FOnO. lrraisione Vlllce eti maystriat rarA - /!attic impact 3m �GIiEE KWAY File Number 2760GC August 24, 2009 i ,- Page 32 ,0i Peal: Hour Phi Penk Hom ('ode Land ltse Amount ADT In Out Total BI Out Tatar Noma Stephensou Trurl (amps Property) - Lida Lidnshial 800,000 SF 115 91 206 73 126 199 _2,76' - Sub-Total 115 91 206 -a 126 199 ^_,762 10 %reduction for tntainteracting mth Rutherford Crossing 11 9 21 7 13 20 276 Total Tdps 103 82 185 65 114 179 2,486 Sn. Bridge (Fonneih. Stephenson Village) 210 Sinde- Family Detached 4321nik 78 234 312 'S'_ 148 40D 4,316 220 - Apmtment(S0%l- DOT +2MUrE 220) 81 units 12 41 t3 51 28 80 778 230 TmtidmbndCondo (80° %T)OT +20%rM 220) 87 ants 12 44 57 46 25 71 713 Tobd "Nex" Tips, 102 319 421 349 201 550 5.807 BiOmp- -A nmi Put eh (Rollie I VOW C'hwiesroxv Road) 814 Specialty Retail 15,400 SF 31 20 50 25 32 57 679 853 Ca" sal, Nat SVllnngm 16 pinip 137 137 275 154 154 308 8,682 932 H -T Resamo'aut 5,000 SF 30 28 58 33 '_l 55 636 Sub -tota1 198 185 382 212 207 420 9,997 Pass -by Trips 40% (Code 853) 53 55 110 62 62 123 3,473 TouO "Neal" Trips 143 130 273 151 146 297 6.524 RmheHord (.Irosa ngs IReniandng Derelopmeno 850 Cn'ocery State 50.000 SF 114 73 Is 275 264 539 4139 Toad "Nex" Tdp. 114 73 187 275 264 I 539 4,739 Adwns C'olmnerdal 150 \3':v ebmriva 120.000 mats 78 1% 95 19 5% 75 792 Itl Self - Service Stmaee 140,000inits 12 9 21 18 17 35 334 710 Office 120.0001nits 191 26 217 36 177 213 1.535 812 Bailduez I..nbei Store 2 %000 SF 44 21 65 59 67 126 1.024 860 111'& me Nba Aet 150,000 stud. 41 34 75 14 17 32 1,010 Twal 366 107 473 146 334 481 4,695 Easy Uiag Associates Conu,,I ial propelly 151 SeICSavice Stamm 35.000 SF 3 '_ 5 4 4 8 82 710 Office 35,000 SF 71 10 81 20 98 118 594 820 Retail 45.000 SF 59 38 97 177 192 370 4.041 853 Coie,i M",I"v punpa 16pmi81s 137 137 275 154 154 308 8,682 934 Fast Food I, DT 5,000 SF 135 130 266 90 83 173 2.481 .Sub -Tani 406 317 723 446 531 977 15.880 Pass -by Trips 25%(Code 820) 12 12 24 46 46 92 1.010 Pass -by Trips 40% (Code 85 3) 55 55 110 62 62 123 3,4 Pass -by Trips 40 %(Code 934) 53 53 106 35 35 69 992 TobdPvs- byTrips 1 120 240 142 142 285 5,475 Total "Nex'" Td 1 -86 197 483 303 i 389 1 692 10.405 Ti ills me tav eil upon rates derlt'ed $Oln "nrhial" traffic counts comhuted at A ninilai Site., - Ibese rates \Yele HIM MO by 15Co per' MOIR119 FOnO. lrraisione Vlllce eti maystriat rarA - /!attic impact 3m �GIiEE KWAY File Number 2760GC August 24, 2009 i ,- Page 32 I 1 0 I 1 I 1 1 1 1 1 0 1 LEGEND 231 01 \ ,I3 INTERSECTION# S(Y) 10 Old C° 7°q k04tl r � AM PEAK HOUR (PM PEAK HOUR) C� ° 1000 DENOTES WEEKDAYAVER AGE DAILY r,C `0 0 S^B 1 •� (D 9 r �aN R° �y 8s! Olp O x .11 p ' P '� 9 � y �l\ B ° so° g p ^6 � • 11 � ^Fe T 1 762 � BLCpa 6 SITE 1� F '� 06)'--A �o )'- b O E B9g003 IS h p 5 3 F ao9 O A a 2 Cip4 3 3N C 12317 tl °L aOp 2. 9 O O B D � 9 rL '.1 C A'tlY n A �y�a+ 'A M °AM Wp 1115'1 13 13 m w"s SITE �s��I!► 5 l 9 06 i 1a P� P`v. \'1? �v BM1�"5 q , os) �}s\ W �RELOC Dj f& .r INT � ECTI Y ON x p F°+� ��n` t �``� # f �, 11 �q� � � 4 . xi 91 O N s , , a Q le ` .pl o 9\ \ 0 1` PTV° R �Ey s 0 '9 . P� �sb` AF � J 'W'1Yf0T 9 40 W bM1l 1p1 I1 \11 1 p)1 I1 Q Q ty g k q S .' .R m i t 1M .� dmv.'? �., s�� "�4tL d GREENWAYENGINEERING,. Graystone Office & Industrial Park FIGURE 16 151 N'Wy/( @(nrc W Fem, VVginv 33603 -95M � 'F` (5 "' 2028 Background Traffic Conditions Project # 2760GC e r vJ.b.m F'AX' (s10) n2 R2 -9s38 I1 11 1 1 1 0 d J I U 1 I 0 J d I 0 LEGEND 4 INTEFSECTIONi IB Arh O LANECONFIGURATIONS RB TRAFFIC SIGNAL C �C RTERML LOS ® STOP SIGN NS -A(C) SB • E (0) A (A) AM PEAK HOUR (PM PEAK HOUR) * DENOTES UNSIGNALIZED CRITICAL MOVEMENT QVA. W O SIGNALIZED DENOTES FREE RIGHT-TURN >y 9 O INTERSECTION Z LOS -A (C) ''ii DENOTES CHANNELIZED RIGHT -TURN NE-C(D) I I ARTERIAL LOS G Pr P pL � e Aey O '� Me1psV/1 Aj 8 ` P dP .T e o� V I P P ll ARTERIAL LOS a y n0 6 ' SITE Vo £ Na: (D) SB.C(F) �Pe 15 t 9pd E s '1 C S L1� e�xe m 4 (v O SIGNALIZED IN TERSE CTI ON LOY D C IF) 6 i C ol"ol 1 oOP } �g J � oN ePUV W 14 S IJ V� SITE a SIGNALIZED O _ v UNSIGNALIZED INTERSECTION m LOS A(B) 1 ca+', a i rv1.Y ,'"L Y-� Th }s•.p�h 11 b'. SIGNALIZED m INTERSECTION �� LOA 1%µe P INTERSECTION Right InANd Only • 1, �- LOS - S(0) No sh ✓ E RELOC a� EC IIONm44�( T I e p` � m � z ,_�_, � _ _�, � Nob: LO3 ontyproNEM lm ctlUUl movm•nb. SIGNALIZED O INTERSECTION UNSIGNALIZED O O UNSIGNALOED SIGNALED Q� ID �e S•BM' P INTERSECTION R RIyNOINOW INTERSECTION F'L� �e INTERSECTION LOYBIF) � �, N ve n ,.l i t 4 Nob: LOS only provIUPE Tor ctlOc.l mommenb. RAMP DIVERGE r i I s• y,R 'b° .'Z LOS- B (B) RAMP MERGE LOYC(C) lo, R RAMP MERGE m LOS. C (D) 1 t + RAMP DIVERGE 9� LOS• C (B) 90 3 O ® NoM1: LOS Onry provlOS0lor cBllulm GREENWAYENGINEERING,MC Graystone Office & Industrial Park FIGURE 17 IJ, N'rrd, NJI L 22 103 ,koh m , Wpuva 33 AL Tf FAA11f0) °i1- 9518 2028 Background Lane Geometry & LOS Project N 2760GC i PHASE 3 TRIP GENERATION Per the VDOT /County approved seeping document, Greenway Engineering detennined the number of trips entering and exiting the site using rates derived from trip generation studies (increased by 15 %) performed for the following existing developments: 1), "Avion Business Park" located in Fairfax County, Virginia and 2) "Fort Collier Industrial' Park" located in Frederick County, Virginia. Table 9 is provided to summarize the total trip generation associated with Phase 3 of the Graystone Office & Industrial Park. The Avion Business Park Trip Generation Study and the Fort Collier Industrial Park Trip Generation Study are provided in the Appendix section of this Report. Table 9 Proposed Development: Graystone Office & Industrial Park Phase 3 Trip Generation Summary 1 n 1 11 I I I F I l'J U Code Land Use Amount In API Peak (lour Out Total I'M In Peak Out hour Total ADT - Office / R &D • 1,749,000 SF 773 70 844 127 585 712 8,376 - Manufacturing /Warehousing 570,000 SF 82 65 147 52 90 142 1,968 'Sub -Toml 855 135 990 179 676 854 10,344 10•% redulionfor trips interacting with Rutherford Crossing 86 13 99 18 68 85 1.034 Total Trips 770 121 891 161 608 769 9310 Trips are based upon rates derived from "actual' traffic counts conducted at a similar sites., These rates were increased by 15% per seeping Form. SCENARIO A PHASE 3, SCENARIO A, TRIP DISTRIBUTION AND ASSIGNMENT The distribution of trips was based upon local travel patterns for the roadway network surrounding the proposed site. Per the VDOT /County approved scoping document, Greenway Engineering utilized the trip distribution percentages shown in Figure 18 to assign the proposed Graystone Office & Industrial Park Phase 3 - Scenario A, development trips (Table 9) throughout the study area roadway network. Figure 19 shows the development - generated weekday ADT and AM/PM peak hour trip assignments. PHASE 3 (2028), SCENARIO A, BUILD -OUT CONDITIONS The Phase 3 Graystone Office & Industrial Park assigned trips (Figure 19) were added to the 2028 background traffic volumes (Figure 16) to obtain 2028 build -out conditions. Figure 20 shows the 2028 Phase 3 - Scenario A build -out weekday ADT and AM /PM peak hour traffic volumes at each of the key locations identified within the study area. Figure 21 shows the corresponding build -out lane geometry and weekday AM/PM peak hour levels of service results. All Synchro and HCS+ levels of service worksheets are included in the Appendix section of this Report. a e Gras scone Office & Industrial Park - Traffic Imt)acl Study GREEIdlf WENGINEERING File Number 2760GC - August 24, 2009 Page 35 1 1 4 f t u E H Note: 10% of Graystone Office & Industrial Park trips would be distributed to /from Rutherford Crossing via Snowden Bridge Blvd /Merchant Street at Route 11. The percentages shown on this * Includes 10% trips to /from the Snowden figure are based upon the remaining development (90 % ). Bridge Residential Development GREENWAY ENGINEERING, Graystone Office & Industrial Park �� N4 D FIGURE 18 HW SNOT r PAX.(5a)n2 -95Z � Phase 3- Scenario A Trip Distribution Percentages Project # 2760GC k'uuMN p19)I µy.µ,�[[nwJeM1q.[nm i = == m= m= r m m = == r m= m n D O O o� O I VI � d'� sy@ o � s �S r stltt� ny. O � n ® A \Y O L Oa. _ _> 2 A Q V6. LIeE) D A r W O C m aesa�,Ig� Ar navyan s C- ea em d� m �rtl .B1 pJJl� y etis ltotlo y a 0 O @y ssev ii eJmstel'J t e n D O O o� O a„ � d'� sy@ o � s �S r stltt� Z Y m O n ® A ®R a r e Rl' Ri gt tts� yes �gi s�,t -Oa r ,^� (bUSir� auo sr jai rl 'Y's Mry`�,kk..r",Z u : :7t P'2k -.t { 4j3'(0 wetl-yp sN{ �� FbM�,ee 3 N ' lrtXt Q 0 0 w A eJ OVA a ® o o n N Y Z Y m O n ® A O L 2 A Q i D A r O C m i m z Y ®R a r e Rl' Ri gt tts� yes �gi s�,t -Oa r ,^� (bUSir� auo sr jai rl 'Y's Mry`�,kk..r",Z u : :7t P'2k -.t { 4j3'(0 wetl-yp sN{ �� FbM�,ee 3 N ' lrtXt Q 0 0 w A eJ OVA a q 5� n 0 A Z s :E 1u1 1u18 m y S �' Z d� �s Z m v � Z 8 N C) co N T V ^ zr W (A •Y W G� / 1 C Q CD Q• O " W \Y Q 73 Q n � 6 L(OE) �Y�~� 3 4 (o)o h91 b y �� ati (8 )8 [ Rew 6 69 rg. I y ��� A y� 's 60 f(oS 21 o rs ss�nv -aus [ r!r i 1� �� IMiT a es lgi 168 8(1884) )oo ! (o)o��� ( ccalhz6z�� �� ���'g O jR O Who Lp) +ay M old r J k��li56L4 , I e loW O %M %le cc IMOZ� � �Z'i! ixNige��usi lolo m ON00166� eauo srulal !¢ S a 0 0 'TT � � O euWSAei9 b �� pp� A p .�1� tl' Q �0 J $a I! v / - \ m' V u C N A m rn 0 O N3 Q I R 4 O �8 �qN • ��s � SF(yil ioll8� r � t a i r (t 9 m � � m i a r m m c m A Z � A 3 A a x � I L A ?C O i m z �1 6 L(OE) �Y�~� 3 4 (o)o h91 b y �� ati (8 )8 [ Rew 6 69 rg. I y ��� A y� 's 60 f(oS 21 o rs ss�nv -aus [ r!r i 1� �� IMiT a es lgi 168 8(1884) )oo ! (o)o��� ( ccalhz6z�� �� ���'g O jR O Who Lp) +ay M old r J k��li56L4 , I e loW O %M %le cc IMOZ� � �Z'i! ixNige��usi lolo m ON00166� eauo srulal !¢ S a 0 0 'TT � � O euWSAei9 b �� pp� A p .�1� tl' Q �0 J $a I! v / - \ m' V u C N A m rn 0 O N3 Q I R 4 O �8 �qN • ��s � SF(yil ioll8� r � t a i r (t 9 m � � m g�1T\8�A �(y" uµ 1x16 btiXF� a V rn N © My seareus oa cuo�({/'v��iJS aN% �' wvtlNO 05 fig a 7 e N� � •• � `� 2 J C Ew 0; OmL] a AN S"Na taT (p itAiiD � iNf m an+m n C' vnq m�� m z z O YH O 0 6 p) p B g , EwRtYO BN i � 4(�\ e yed V ��Jn 4m � Av FYI U FvM ' A n 1%�j :ds p m R om 2v 9s c °- ° ia zv y Q st $v'ii i�( fi+xh'' [fix im t ° #A f = ^a y m V�7 ' � v a � � vx vtAvM V y 4 O 3 2 �� � �� (3�� • m2 o QQQ a ma , ��IX zm 20 ` Q . lv z N o n O o a O m m Y 9= T Y y aaa2 T m a N A A m q T M o t2 A ; > C V 2 w a ^ x y m c 2 Z A � A i O m m z Y V rn N © My seareus oa cuo�({/'v��iJS aN% �' wvtlNO 05 fig a 7 e N� � •• � `� 2 J C Ew 0; OmL] a AN S"Na taT (p itAiiD � iNf m an+m n C' vnq m�� m z z O YH O 0 6 p) p B g , EwRtYO BN i � 4(�\ e yed V ��Jn 4m � Av FYI U FvM ' A n 1%�j :ds p m R om 2v 9s c °- ° ia zv y Q st $v'ii i�( fi+xh'' [fix im t ° #A f = ^a y m V�7 ' � v a � � vx vtAvM V y 4 O 3 2 �� � �� (3�� • m2 o QQQ a ma , ��IX zm 20 ` I U 1 k I L1 1 I 1 1 1 1 1 L 1 SCENARIO B PHASE 3, SCENARIO B, TRIP DISTRIBUTION AND ASSIGNMENT The distribution of trips was based upon local travel patterns for the roadway network surrounding the proposed site. Greenway Engineering utilized the trip distribution percentages shown in Figure 22 to assign the proposed Graystone Office & Industrial Park Phase 3 - Scenario A development trips (Table 9) throughout the study area roadway network. Figure 23 shows the development- generated weekday ADT and AM /PM peak hour trip assignments. PHASE 3 (2028), SCENARIO B, BUILD -OUT CONDITIONS The Phase 3 Graystone Office & Industrial Park assigned trips (Figure 19) were added to the 2028 background traffic volumes (Figure 16) to obtain 2028 build -out conditions. Figure 24 shows the 2028 Phase 3 - Scenario A build -out weekday ADT and AM /PMjpeak hour traffic volumes at each of the key locations identified within the study area. Figure 25 shows the corresponding build -out lane geometry and weekday AM /PM peak hour levels of service results. All Synchro and HCS+ levels of service worksheets are included in the Appendix section of this Report. Greenway Engineering has provided Table 10 to show the 2028 background and Phase 3 build - out (Scenarios A and B) levels of service, vehicle delay as well as the 95' percentile back of queue, by lane group /approach, for each of the study area intersections. GREENWAY ENGINEERING Graystane Office & Industrial Park - Traffic Impact Study File Number: 2760GC August 24, 2009 Page 40 1 1 1 H * Includes 10% trips to /from the Snowden Bridge Residential Development GREENWAY ENGINEERING,.. Graystone Office & Industrial Park Kr.w2 FIGURE 22 kp enn Nryinw 11693 T e bpb e:f)222-1-QeJ Phase 3- Scenario B Trip Distribution Percentages Project#276000 eu': �s1o1 n1 -9s1e Note: 10% of Graystone Office & Industrial Park trips would be distributed to /from Rutherford Crossing via Snowden Bridge Blvd /Merchant Street at Route 1 land 40% would be distributed to /fro Route 37 via the proposed SPUI. The percentages shown on this figure are based upon the remaining development (50 %). c �Z (D S:; m N 2 2 0 q S 2 o))o� y n N [ A I N ' O 2 a 8 3 0 3 m 3 c �Z J 4 4 00 c lotl �I ySnY�y.eVS Ym � s ➢5 tK)L� y Q _J 4 }r� eugsFd`J co oot 1 $p �6 l \ 4 J 1Wi O wtwHOz) ■ r[UU swaµe�5 �1 `J smnV-ei!5 uWS W'J o))o� to 0y�v [ J 4 4 00 c lotl �I ySnY�y.eVS Ym � s ➢5 tK)L� y Q _J 4 }r� eugsFd`J co oot 1 $p �6 l \ 4 J 1Wi O J 1 [ x X ,14 s , J Il o Q .6, AO l ow AN l9i � 1 Y BJ1 �� `s4, �ow �Il em ; Hoz) °saab`el Af,[YSZ) y t a ®gym 0 y o w y m � t z n z i e i F y v O Y y y O c m i m W Z V(v) ,�>nn11nn�uunn�L, t!F3 �B Lp'ssevYCiM. sswnY'ailS �0 OW 0040 00� wm m'J uW ]L� V 'sND v \�\ MY J ;10 l 2 m W > Omq P n m om0 xis dw i �e (p :aa pie OR mi d b S s f ' �• ewe ° i y 2 i i t �� + '�k i §ti � N iM ` ^ k .l0)0 Az 6N1 O ;1 0 :Ha _ "eMV vpo. 131 � cm ie 4 v _ io zo l y i ° cam dl 3 4 omn 7 a � t c`JV4 �, LC .(O/YGr✓ 0)0 m m m = == m = == m= w w m m m lil 91 L9 9 m m Z s m z C1 m m 9 �I Sy Glow , e �L Va (oz) z.n��.s UoUOZ� ��RS RR Uo,MZ� o �P i N N i �^ i m i m n N T � , O A 2 A A x T � Z � A 3 c m i m 3 �I Ia ,o dB� o,o y vR R� Pei (EEROzzozn V 1� S `�¢ wo P B AA d� z5t I °<m tea. �i 1 P ( Ng) -1 < �t -0� e Miss 'v =E 0 Sy Glow , e �L Va (oz) z.n��.s UoUOZ� ��RS RR Uo,MZ� o Ia ,o dB� o,o y vR R� Pei (EEROzzozn V 1� S `�¢ wo P B AA d� z5t I °<m tea. �i 1 P ( Ng) -1 < �t -0� e Miss 'v =E 0 Sy Glow , e �L ",o BS N o� '5 �P IV � �r BR t ow lR,9R 'S� r e IoLBKtR�� �g 9 �. IV � �r BR t ow lR,9R 'S� r U H H L U U H H Table 10 Graystmle Baulucss Park LCA "C'IS of Selvlce, Delay and Back of Queue ()5 %4) Results 2028 Phase 3 Background and Build -out (Scenarios A and B) Condition, NA�WMMM,Xb N�0-US66 -i L Uft, T'IM, R Y@X File Number: 2760GC August 24, 2009 Page 45 2.28 114w1z¢rom;d C 1a oa 1`11.1w 3. FCau;W A lxitNmn Ruule JT DuAd -ot POacY 1, fieenvllo R t wHh Ronm3? liudlb01 "I Cr aw 111. :a- AM P.d axo p"I P.A 11 Wa Pa H_ MI NA nrm LawvvCtibs MI+T uM IL:+e) lAwx Ihlrryl Dxlm -11 INvtj IM, fh: Feq) UYl -my Wx I1F Iel) Iln lrryl L� Oeb2' IlY ht) r)Y o., l � T Iq: k) Ih x) IAS DNXy SAi�wx flR S I 69. 131fl R lA� Jild E 38x. 101 F 126., Wo E boa 131tl F 126w E 3466 A 1 p 1xJq A • A 11 N A Sw 2RRq A b.. 3aIA A 5x. :Y2A EpL A A A A NIi'L E bb v. '9p i F SB Stl 146 D A♦ ?lA 3dn 1,18 D Jlt `SN D A8Y 1 16d ENAIA; (IS kw. II 6TT A b•. aSA C v. 2010 A 2N E 62e 21.6 A 8R 5 D JAe lNd ]T:Pwpre Lrb tffiR A la. 4b A Gx NA A IY. H6 A Ix .X A IF tl8 A 0• bd 0- 1- AALLD. A C A R A D NR1ffi D u. 316 D JSF SIA P 3Ac 436 E 4)R Ofi D J2s A6 6 .tax WA Twffi C..MU SINW➢alu Np LPS 1 11 D 1 11 B It D SOLTR O a 6JA P )9 r. 261 2lR D J9c IMp C ilx 550 ➢ of 956 Sp LRt C b C D C D O \'fkALL A 11 A a A C Fk'L 77 LJa dkSb .a P 1.0 F 1:8x 13'JN F IR'r. 1 li1X F H:v SI:A F 111. 4111 P,RRR c Jp'@ C :la 3918 D IYa 356N 26 •. Jefp C 20 •. 1]bA NY. i:3d EH LOS It D D a C D o'%'1, 4 6D x. 1110 p bdr. IJh6 F 1.5♦ 1'90 fi b'F 136H E 't ♦. 162d H >St tJJ6 RRK4: 1!6NSN1 BTIT D yp v. ?!8d F 1:!x. 9:CA ➢ _ LCfl F 18r. IC4H D 51s :I2A F RI i. LW:A SB: \TeYawY RYY1 }tllffiR A :Y Wd A Jx. 21d A 3x 'Y. d1N A Ia. ZpH A Jt J6d NN;.waYlr;e I\R I ". b d ➢ f b I M31TIX D !3. II t F 3h3a 1140 D JII a. 1140 F AISa 23df D 1 0X 1 D F J16s :.)bN T. C- 1: Nnuhewhe NA 4M D R D F F $.I F 89x. Y51It p irk 56X0 P 95x tr F ISS F. 6498 F Yla otft F Ma. G. I9f XR'IN N Ilx 'SH C I'S@ Ile ^6 A II •. not, A Ile to c 261 I"i 30 Ws D F _e D F D 1 " C"AMI D r D F 1 r II4R I . h : _ .....i$. p .. 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US Route 11 & Crown Lane: Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups, except the eastbound left during the PM peak hour, maintain levels of service of "D" or better. The eastbound left -turn movement will yield a PM peak hour level of service "F" during 2018 background AND build -out conditions. This is primarily due to the "green- time" required to maintain proper progression for the synchronized traffic signal system along US Route 11. Greenway Engineering does not recommend improvements for 2. this intersection. US Route 11 & Welhown Road: Analyses revealed overall levels of service of "D" or better during the AM peak hour and "F" during the PM peak hour. The PM peak hour will maintain levels of service "F" during 2018 background AND build -out conditions. "Regional improvements" are recommended to facilitate acceptable level of service during the PM peak hour. 3. US Route 11 & 1 -81 Southbound Ramps: Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups, except the eastbound left during the PM peak hour, maintain levels of service of "D" or better. The southbound left -turn movement will yield a PM peak hour level of service "E" during 2018 background AND build -out conditions. This is primarily due to the "green- time" required to maintain proper progression for the synchronized traffic signal system along US Route 11. Greenway Engineering does not recommend improvements for this intersection. 4. US Route 11 & 1 -81 Northbound Off -Ramp: Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups maintain levels of service of "D" or better. Greenway Engineering does not recommend improvements for this intersection. 5. US Route 11 & 1 -81 Northbound On- Ramp /Red Bud Road: Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups, except the northbound left during the PM peak hour, maintain levels of service of "D" or better. The northbound left -turn movement will yield a PM peak hour level of service "E" during 2018 background AND build -out conditions. This is primarily due to the "green- time" required to maintain proper progression for the synchronized traffic signal system along US Route 11. Greenway Engineering does not recommend improvements for this intersection. 6. US Route 11 & Merchant Street/Snowden Bridge Boulevard: Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups maintain levels of service of "D" or better. Greenway Engineering does not recommend improvements for this intersection. Grayslone Office & Industrial Park - Traffic Impact Study � �� GWEER1� File Number: 2760GC ,. August 24, 2009 Page 47 I i 1 1 1 1 1 1 1 1 1 3 US Route 11 & FEMA Entrance: Analyses revealed unsignalized levels of service of "C" or better during the AM and PM peak hours. All lane groups maintain levels of service of "C" or better. Greenway Engineering does not recommend improvements for this intersection. US Route 11 & Old Charles Town Road. Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups, except the westbound and southbound left during the PM peak hour, maintain levels of service of "D" or better. The westbound and soutbbound left -turn movements will yield a PM peak hour level of service "E" or worse during 2018 background AND build -out conditions. Greenway Engineering does not recommend improvements for this intersection. Ramp Analyses 1. 2. 3. 4, 1 -81 Mainline & Northbound On -Ramp: Analyses revealed levels of service of "C" or better during the AM and PM peak hours. Greenway Engineering does not recommend improvements for this location. 1 -81 Mainline & Northbound Off -Ramp: Analyses revealed levels of service of "C" or better during the AM and PM peak hours. Greenway Engineering does not recommend improvements for this location. I -81 Mainline & Southbound On -Ramp: Analyses revealed levels of service of "C" or better during the AM and PM peak hours. Greenway Engineering does not recommend improvements for this location. 1 - -81 Mainline & Southbound Off -Ramp: Analyses revealed levels of service of "C" or better during the AM and PM peak hours. Greenway Engineering does not recommend improvements for this location. j Arterial Analyses 1 2. 3 US Route 11, South of the I -81 Interchange: Analyses revealed levels of service of "D" or better for the northbound AM, northbound PM and southbound AM peak hours. The southbound PM will maintain levels of service of "F" during 2018 background AND build -out conditions. This is primarily due to the sub - standard intersection_ spacing currently existing along this segment of US Route 11. "Regional improvements" are recommended to facilitate acceptable level of service during the PM peak hour. US Route]], North of the I -81 Interchange: Analyses revealed levels of service of "D" or better for the northbound AM, northbound PM, southbound AM and southbound PM peak hours. Greenway Engineering does not recommend improvements for this location. US Route 11, South of the Old Charles Town Road: Analyses revealed levels of service of "D" or better for the northbound AM, northbound PM, southbound AM and southbound PM peak hours. Greenway Engineering does not recommend improvements for this location. Graystone Office & Industrial Park - Traffic Impact Study File Number; 2760GC August 24, 2009 Page 48 ➢ PHASE 2 (2022) Intersection Analyses 1. US Route II & Crown Lane: Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups, except the eastbound left ' and westbound left during the PM peak hour, maintain levels of service of "D" or better. The eastbound and westbound left -turn movements will yield a levels of service "E" or worse during 2022 background AND build -out conditions. This is primarily due to the "green- time" required to maintain proper progression for the synchronized traffic signal system along US Route 11. Greenway Engineering does not recommend improvements for this intersection. ' 2. US Route 11 & Welltown Road: Analyses revealed overall levels of service of "D" or better during the AM peak hour and "F" during the PM peak hour. The PM peak hour will maintain levels of service "F" during 2022 background AND build -out conditions. "Regional improvements" are recommended to facilitate acceptable level of service during the PM peak hour. 3. US Route 11 & I -81 Southbound Ramps: Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups, except the eastbound left during the PM peak hour, maintain levels of service of "D" or better. The southbound left -turn movement will yield a PM peak hour level of service "E" or worse during 2022 background AND build -out conditions. This is primarily due to the "green- time" required to maintain proper progression for the synchronized traffic signal system along US Route 11. Greenway Engineering does not recommend improvements for this intersection. 4. US Route 11 & I -81 Northbound Off -Ramp: Per the VDOT /County approved scoping document, Greenway Engineering has assumed the relocation of the I -81 northbound off -ramp to intersect with US Route 11 opposite the existing I -81 northbound on -ramp. In coordination with this improvement, Red Bud Road trips would be re- routed to Snowden Bridge Boulevard via the North Stephenson Tract (Omps). 5. US Route 11 & 1 -81 Northbound Ramps: Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups, except the eastbound left during the PM peak hour, maintain levels of service of "D" or better. The eastbound left -turn movement will yield a PM peak hour level of service "F" during 2022 background AND build -out conditions. This is primarily due to the "green- time" required to maintain proper progression for the synchronized traffic signal system along US Route 11. Greenway Engineering does not recommend improvements for this intersection. 6. US Route 11 & Merchant Street/Snowden Bridge Boulevard: Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups, except the westbound and northbound left during the PM peak hours, will maintain levels of service of "D" or better. The westbound and northbound left - turn movements will maintain constrained levels of service of "E" during the PM peak hour build -out conditions. Greenway Engineering does not recommend improvements for this intersection. �., Graystone Office & Industrial Park- Traffic Impact Study 0 71 1 ,_ Y : REE 1a ENGINEERIN G File Number: 2760GC August 24, 2009 Page 49 I 1 N 0 US Route 11 & FEMA Entrance: Analyses revealed unsignalized levels of service of "D" or better during the AM and PM peak hours. All lane groups maintain levels of service of "D" or better. Greenway Engineering does not recommend improvements for this intersection. US Route 11 & Old Charles Town Road: Analyses revealed overall levels of service of "C" or better during the AM peak hour and "F" during the PM peak hour. All lane groups, except the westbound and southbound left during the PM peak hour, maintain levels of service of "D" or better. The westbound and southbound left -tum movements will yield a PM peak hour level of service "E" or worse during 2022 background AND build -out conditions. "Regional improvements" are recommended to facilitate acceptable level of service during the PM peak hour. Ramp Analyses 1. 2. 3. 4. I -81 Mainline & Northbound On -Ramp: Analyses revealed levels of service of "C" or better during the AM and PM peak hours. Greenway Engineering does not recommend improvements for this location. 1 -81 Mainline & Northbound Off -Ramp: Analyses revealed levels of service of "C" or better during the AM and PM peak hours. Greenway Engineering does not recommend improvements for this location. 1 -81 Mainline & Southbound On -Ramp: Analyses revealed levels of service of "C" or better during the AM and PM peak hours. Greenway Engineering does not recommend improvements for this location. I -81 Mainline & Southbound Off -Ramp: Analyses revealed levels of service of "D" or better during the AM and PM peak hours. Greenway Engineering does not recommend improvements for this location. Arterial Analvses I 2. a US Route 11, South of the I - -81 Interchange: Analyses revealed levels of service of "C" or better for the northbound AM, northbound PM and southbound AM peak hours. The southbound PM will maintain levels of service of "F" during 2022 background AND build -out conditions. This is primarily due to the sub - standard intersection spacing currently existing along this segment of US Route 11. "Regional improvements" are recommended to facilitate acceptable level of service during the PM peak hour. US Route]], North of the I -81 Interchange: Analyses revealed levels of service of "D" or better for the northbound AM, northbound PM, southbound AM and southbound PM peak hours. Greenway Engineering does not recommend improvements for this location. US Route 11, South of the Old Charles Town Road: Analyses revealed levels of service of "C" or better for the northbound AM, northbound PM, southbound PM peak hours. The southbound AM will maintain levels of service of "E" during 2022 build -out conditions. Greenway Engineering does not recommend improvements for this location. .' w F ,pp�� �.4. ..v Graysione Office & Industrial Park - Traffic Impact Studv File Number: 2760GC August 24, 2009 Page 50 F ➢ PHASE 3 (2028) Intersection Analvses k L h U P n H n u H 1. US Route 11 & Crown Lane: Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups, except the eastbound left and westbound left during the PM peak hour, maintain levels of service of "D" or better. The eastbound and westbound left -turn movements will yield a levels of service "E" or worse during 2028 background AND build -out conditions. This is primarily due to the "green- time" required to maintain proper progression for the synchronized traffic signal system along US Route 11. Greenway Engineering does not recommend improvements for this intersection. 2. US Route 11 & Welltown Road: Analyses revealed overall levels of service of "D" or better during the AM peak hour and "F" during the PM peak hour. The PM peak hour will maintain levels of service "F" during 2028 background AND build -out conditions. "Regional improvements" are recommended to facilitate acceptable level of service during the PM peak hour. 3. US Route 11 & 1 -81 Southbound Ramps: Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups, except the eastbound left during the PM peak hour, maintain levels of service of "D" or better. The southbound left -turn movement will yield a PM peak hour level of service "E" or worse during 2028 background AND build -out conditions. This is primarily due to the "green- time" required to maintain proper progression for the synchronized traffic signal system along US Route 11. Greenway Engineering does not recommend improvements for this intersection. 4. US Route 11 & 1 -81 Northbound Off -Ramp: Per the VDOT /County approved scoping document, Greenway Engineering has assumed the relocation of the I -81 northbound off -ramp to intersect with US Route 11 opposite the existing I -81 northbound on -ramp. In coordination with this improvement, Red Bud Road trips would be re- routed to Snowden Bridge Boulevard via the North Stephenson Tract (Omps). 5. US Route 11 & 1 -81 Northbound Ramps: Analyses revealed overall levels of service of "E" or better during the AM and PM peak hours under build -out Scenario A (without Route 37). The eastbound left -turn movement will yield a PM peak hour level of service "F" during 2028 background AND build -out conditions. This is primarily due to the "green- time" required to maintain proper progression for the synchronized traffic signal system along US Route 11. Greenway Engineering does not recommend improvements for this intersection. The overall levels of service would improve to "D" or better assuming the construction of the interchange (SPUI) of Snowden Bridge Boulevard/Route 37 (Scenario B). This improvement would be facilitated by the dedication of right -of -way that is being proffered as a condition of the Rezoning. Grayslone Office & Industrial Park - Trafc Impact Std File Number: 2760GC August 24, 2009 Page 51 �l I LJ I J �J D J C L J 'J 6. US Route 11 & Merchant StreetlSnowden Bridge Boulevard: Analyses revealed overall levels of service of "C" or better during the AM and PM peak hours. All lane groups, except the westbound and northbound left during the PM peak hours, will maintain levels of service of "D" or better. The westbound and northbound left - turn movements will maintain constrained levels of service of "E" during the PM peak hour build -out conditions. Greenway Engineering does not recommend improvements for this intersection: 7. US Route 11 & FEMA Entrance: Analyses revealed unsignalized levels of service of "E" or better during the AM and PM peak hours under build -out Scenario A (without Route 37). . The levels of service would improve to "D" or better assuming the construction of the interchange (SPUD of Snowden Bridge Boulevard/Route 37 (Scenario B). This improvement would be facilitated by the dedication of right -of -way that is being proffered as a condition of the Rezoning. 8. US Route 11 & Old Charles Town Road: Analyses revealed overall levels of service of "C" or better during the AM peak hour and "E" during the PM peak hour. All lane groups, except the westbound and southbound left during the PM peak hour, maintain levels of service of "D" or better. The westbound and southbound left -turn movements will yield a PM peak hour level of service °E" or worse during 2028 background AND build -out conditions. "Regional improvements" are recommended to facilitate acceptable level of service during the PM peak hour. Ramp Analvses 1. 1 -81 Mainline & Northbound On -Ramp: Analyses revealed levels of service of "C" or better during the AM and PM peak hours. Greenway Engineering does not recommend improvements for this location. 2. 1 -81 Mainline & Northbound Off -Ramp: Analyses revealed levels of service of "C" or better during the AM and PM peak hours. Greenway Engineering does not recommend improvements for this location. 3. I -81 Mainline & Southbound On -Rmnp: Analyses revealed levels of service of "C" or better during the AM and PM peak hours. Greenway Engineering does not recommend improvements for this location. 4. 1 -81 Mainline & Southbound Off- Rarnp: Analyses revealed levels of service of "D" or better during the AM and PM peak hours. Greenway Engineering does not recommend improvements for this location. _ Graystone Office & Industrial Park- Tragic Impact Study GREENWAY ENGINEERING File Number: 2760GC August 24, 2009 Page 52 U i U F LJ U U E F !' J C L C F C IS F Arterial Analvses 1. US Route Il, South of the I -81 Interchange: Analyses revealed levels of service of "D" or better for the northbound AM, northbound PM and southbound AM peak hours. The southbound PM will maintain levels of service of "F" during 2028 background AND build -out conditions. This is primarily due to the sub - standard intersection spacing currently existing along this segment of US Route 11. "Regional improvements" are recommended to facilitate acceptable, level of service during the PM peak hour. 2. US Route 11, North of the I -81 Interchange. Analyses revealed levels of service of "D" or better for the northbound PM, southbound AM and southbound PM peak hours. The northbound AM will maintain levels of service of "F under build -out Scenario A (without Route 37). The levels of service would improve to "D" assuming the construction of the interchange (SPUI) of Snowden Bridge Boulevard/Route 37 (Scenario B). This improvement would be facilitated by the dedication of right -of -way that is being proffered as a condition of the Rezoning. 3. US Route 11, South of the Old Charles Town Road. Analyses revealed levels of service of "C" or better for the northbound AM, northbound PM, southbound PM peak hours. The southbound AM will maintain levels of service of "F" under build - out Scenario A (without Route 37). The levels of service would improve to `B" assuming the construction of the interchange (SPUI) of Snowden Bridge Boulevard/Route 37 (Scenario B). This improvement would be facilitated by the dedication of right -of -way that is being proffered as a condition of the Rezoning. PEDESTRIAN AND BICYCLE ACCOMODATIONS Per the Proffer Statement, the applicant has agreed to provide internal asphalt trails for the benefit of employees of the office and industrial park. These asphalt trails will be a minimum of six feet in width and will be designed to connect land uses throughout the four OM District land bay area identified in the Generalized Development Plan wherever possible. G - aystone Office & Industrial Park - I ral{ic Impact Study ' , ,PREE AAV.ENGINEERING' File Number 2760GC - August 24, 2009 Page 53 [1 0 [1 0 H H p Scopin2 Documents (Located on CD) 11 �l J I I Synchro Worksheets (Located on CD) J ll �J [' Cf I 1 r i l TICS+ Worksheets (Located on CD) p -I u p u Traffic Counts (Located on CD) H u E h 1 C r u H H 0 k n L n I 0 L 0 Generalized Development Plan (Located on CD) 11 H Memorandum To: Jerry Copp Organization /Company: Virginia Department of Transportation (VDO'I� P From: Michael Glickman, PE, PTOE, Date: September 29, 2009 Addendum to: Project Name /Subject: U 0 Greenway Engineering File Number: 2760GC Per your request, Greenway Engineering has prepared this document as an addendum to the Gra raoti ne Qa ce and Industrial Park TmLir JwPacl Sludy dated August 24, 2009. The purpose of this memorandum is to provide a supplemental study to evaluate the following '• transportation improvements, as proposed by VDOT, to improve traffic flow along southbound US Route 11, between 1 -81 and Crown Lane: 1) the extension of the US Route 11 southbound left -turn at the intersection of Route 11/I -81 southbound ramps; 2) the extension of the US Route 11 southbound left -turn lane at the intersection of US Route ll /Welltown Road; and 3) the addition of third southbound through lane from the I -81 southbound ramps to Crown Lane. Weekday AM and PM peak hours analyses were performed for each of the development phases contemplated in the August 2009 submission. METHODOLOGY Other than the improvements described above, all methodology utilized for this addendum is consistent with the August 24, 2009 submission. 2015 BACKGROUND /PHASE 1 BUILD -OUT CONDITIONS Figure 1 shows the 2015 background weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/1 -81 Southbound Ramps, US Route 11 /Welltown Road and US Route l l /Crown Lane. Figure 2 shows the corresponding 2015 background lane geometry and weekday AM/PM peak hour levels of service results. Figure 3 shows the 2015 Phase 1 build -out weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/T -81 Southbound Ramps, US Route ll /Welltown Road and US Route ll /Crown Lane. Figure 4 shows the corresponding 2015 Phase 1 build -out lane geometry and weekday AM /PM peak hour levels of service results. All Synchro levels of service worksheets are included in the Appendix section of this memorandum. Grecnway Engineering has provided Table 1 to show the 2015 background and Phase 1 build -out levels of service, vehicle delay as well as the 95" percentile back of queue, by lane group /approach, for each of the study area intersections. Page I of 22 1 -- GREE AV ��O9f�E�MONG 151 Windy Hill Lane Founded in 1991 Winchester, Virginia 22602 Telephone 540 - 662 -4185 Engineers FAX 540 - 722 -9528 surveyors www.greenwayeng. corn H Memorandum To: Jerry Copp Organization /Company: Virginia Department of Transportation (VDO'I� P From: Michael Glickman, PE, PTOE, Date: September 29, 2009 Addendum to: Project Name /Subject: U 0 Greenway Engineering File Number: 2760GC Per your request, Greenway Engineering has prepared this document as an addendum to the Gra raoti ne Qa ce and Industrial Park TmLir JwPacl Sludy dated August 24, 2009. The purpose of this memorandum is to provide a supplemental study to evaluate the following '• transportation improvements, as proposed by VDOT, to improve traffic flow along southbound US Route 11, between 1 -81 and Crown Lane: 1) the extension of the US Route 11 southbound left -turn at the intersection of Route 11/I -81 southbound ramps; 2) the extension of the US Route 11 southbound left -turn lane at the intersection of US Route ll /Welltown Road; and 3) the addition of third southbound through lane from the I -81 southbound ramps to Crown Lane. Weekday AM and PM peak hours analyses were performed for each of the development phases contemplated in the August 2009 submission. METHODOLOGY Other than the improvements described above, all methodology utilized for this addendum is consistent with the August 24, 2009 submission. 2015 BACKGROUND /PHASE 1 BUILD -OUT CONDITIONS Figure 1 shows the 2015 background weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/1 -81 Southbound Ramps, US Route 11 /Welltown Road and US Route l l /Crown Lane. Figure 2 shows the corresponding 2015 background lane geometry and weekday AM/PM peak hour levels of service results. Figure 3 shows the 2015 Phase 1 build -out weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/T -81 Southbound Ramps, US Route ll /Welltown Road and US Route ll /Crown Lane. Figure 4 shows the corresponding 2015 Phase 1 build -out lane geometry and weekday AM /PM peak hour levels of service results. All Synchro levels of service worksheets are included in the Appendix section of this memorandum. Grecnway Engineering has provided Table 1 to show the 2015 background and Phase 1 build -out levels of service, vehicle delay as well as the 95" percentile back of queue, by lane group /approach, for each of the study area intersections. Page I of 22 1 1 LEGEND O INTERSE( X m AN PEAK 100 DENOTE: m 1s31� X0 \ �>t Pi � ro N YN a 3\11 (A\ � n9 u �11A1 P^ ts � Ms W�i �3 yo1P g m Q >o618j98Y6�� .mi l GREENWAY ENGINEERING, Graystone Office & Industrial Park 15, A m FIGURE 1 Ao —f340 3 J& "F ""°'°� "� 2015 Background Traffic Conditions Project #2760GC F�'.� fs.ol n2-9.528 fouMtl A]➢]I wxwgrt[n [mn u n H D h I [1 I L 1 C 1 r I 1 L GREENWAY ENGINEERING, .m [S] Graystone Office & Industrial Park Yugv�b FIGURE 2 uWyH w 22 3E693 NSnrN[b a� w "F�«O)722 -5� 2015 Background Lane Geometry & LOS Project # 2760GC wMN u. 1911 wn- w.yremxyv+�q.[om 1 1 1 1 LEGEND (D INMRSEG X(Y), AM PEAK 100 OE NOTE: m s gll 1 . c3 �� �±V�3 � � N yby� m Q N 21, 30 y e) Y 9 ' �° rtys� ssa �� � Me ng �yM3� 1el Me 1y �� ���11 1' � m 1��� m GHEENWAYENGINEERING,Mp. Graystone Office & Industrial Park FIGURE 3 )S)WuWV HN (nrc F' ( saq zzz.nsza ` "' 2015 Phase 1 Build -out Traffic Conditions Project # 2760GC swx FuWN m19)! xvw8rte�wal'�Ycan LEGEND R l INTERSECTION# ll LANECONFIGURATIONS TRAFFIC SIGNAL E) STOP SIGN A (A) AM PEAK HOUR (PM PEAKHOUR) * DENOTES UNSIGNALIZEO CRITICAL MOVEMENT A C DENOTES FREE RIGHT -TURN ' I f DENOTES CHANNELIZED RIGHT -TURN Se = INTERSECTION L05 =A (e) % 1 O SIGNALIZE' INTERSECTION LOS =A (AI p \Pl A ".SITE wL U' ee, OI SIGNALIZE' INTERSECTION M 1 LOS= C (0) m a L � MBN �sou 1 i � SITE QCP GREENWAY ENGINEERING,ING Graystone Office & Industrial Park FIGURE 4 151 lYwly IIW I ^ ^. N' Il % 22M2 FAX (596)]22 -952X 722 -95 Ttl" ° [.(5 15 2015 Phase 1 Build -out Lane Geometry & LOS Project #2760GC £a MN Al %I y.yvgi[tnwJert(t [ rvn L 0 Memorandum To: Jerry Copp Page 6 of 22 Table 1 GI aystone Office and Industrial Park Levels of Serwice, Deliv and Back of Queue (95 %) Results 2015 Background and Phase I Build -out Conditions 1 L U 1 I L I 1 C r BD �F..W�mmd, 421 �w.sNm�ud, NT. N $a - L L.ft. TM u.RP 0 L 201 RmhRr. ."I C.,ul than ph.ae 1 Bnahl -lint Conditions Bn.n.Se.n ASI P..1: a.® PSI P.nk 11.ur ASS P..k Homy PSI P..k B.ur LOS Dduy an Qu.e. an m.0 LOS D. '.� q..n. an...) (ffi f, ") Los D. y m ro.) Q••� 1m r..o Los D.l.y an s ) Q.... an r.,o ERM1 \Rats ROme Ii ND: P.sth.l.w Sal Cu. I,ene ➢nRa. Conine: Xip�nOo.tion RBA, n 1 41 .. 906 D 50. ! 1910 D 41 .. 90fl I E 57. 2120 riRRR A 206 D A 6. 251 8 A ! 9.. 2239 1 A 6. 261 fl ED LOS A B D I B NB/L B 16 s. 140 n its. 14 ft C ! 30s. 220 1 C 29. ISR stRlr A 3. 56ft A 71. 66A A ! 350 I A 826 IBM A Is. OA A 1.. O8 A i Is. OA A 20. O8 NB LAS A A A I A ,NIVVR C 271,T 360 C 330. 440 C 25.. 1 $60 1 C 35.. Ala Na LOS c C C I C SBl1.TR C 21. 420 C 30. 70fl B ! 18., 429 1 C 31. 9 SB LOS C C B I C OVERALL A A A A EWNB: US Rouh ll SBaY.It.wn R." :WF:Amnro l,wn 11-W CamtW: Btpm@alon FAIL E I SS, 1 183a P I In.. ' 3450 D 47.. 1960 F I INS 3520 karra B I5. 670 C 26. 3820 B Ida. fla C 21 v. 3730 FD LOS D D B C NBA, D 55 .. 1290. D 49. 117a D 49e 123A E NB? c 29s. 311A D 51.. 4468 C 27s. 2998 D 49 a. 1028 WDIR A S,. J4a A Ss Z8fl A 4.. 280 A NBL.OS c I) B D N8.41R E S&r. 125R F 89. 154R E 18.. 1260 F ]18. 1920 NB Los E F E F SBA. 1) 1 52s. 2N0 F 170. I 42afl D 50 a. 2270 F 991. 4590 &R/B A 9. 57R B 13. I 880 A 9x 97R A R. 6711 1B LOS C E C E OS'E.kA C D C D PBMBXSR.4.11 SE: 1- 91SDRm , I' M, C.miol: SlpuBSmloO - kBtf A 5.. 606 B 12 s. ! 1670 A 5. 650 B 16 s. 1600 EBM A 3.. 1168 A Is. OL A 3s, 960 A ca LOS A A A B NBA. R I 15. 770 D 46.. ! 3130 D 15 .. 48fl D 9d.. 3BiA NDtP A 7.. 1778 A 3c ! 770 A 50. ]750 A 6.. 1800 Sl'B LOS A e A R SBfL1___D - SDM A J1._ Iv. 124 8 O8 E A Ix ! O ., D .._,A 4d e - - 1.. 1.68a OR - E - A 74 s. - - i s. 2590_ 00 sB W S A OCERAL2. A D a c A B A D BD �F..W�mmd, 421 �w.sNm�ud, NT. N $a - L L.ft. TM u.RP 0 L 1 2022 BACKGROUND /PHASE 2 BUILD -OUT CONDITIONS Figure 5 shows the 2022 background weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/I -81 Southbound Ramps, US Route ll /Welltown Road and US Route ll /Crown Lane. Figure 6 shows the corresponding 2022 background lane geometry and weekday AM /PM peak hour levels of service results. Figure 7 shows the 2022 Phase 2 build -out weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/I -81 Southbound Ramps, US Route ll /Welltown Road and US Route ll /Crown Lane. Figure 8 shows the corresponding 2022 Phase 2 build -out lane geometry and weekday AM /PM peak hour levels of service results. All Synchro levels of service worksheets are included in the Appendix section of this Report. Greenway Engineering has provided Table 2 to show the 2022 background and Phase 2 build -out levels of service, vehicle delay as well as the 95` percentile back of queue, by lane group /approach, for each of the study area intersections. P 11 P U U LJ H 2028 BACKGROUND /PHASE 3 BUILD -OUT CONDITIONS Figure 9 shows the 2028 background weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/1 -81 Southbound Ramps, US Route 11 /Welltown Road and US Route 11 /Crown Lane. Figure 10 shows the corresponding 2028 background lane geometry and weekday AM /PM peak hour levels of service results. Figure 11 shows the 2028 Phase 3 - Scenario A build -out weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/I -81 Southbound Ramps, US Route ll /Welltown Road and US Route ll /Crown Lane. Figure 12 shows the corresponding 2028 Phase 3 - Scenario A build -out lane geometry and weekday AM /PM peak hour levels of service results. Figure 13 shows the 2028 Phase 3 - Scenario B build -out weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/1 -81 Southbound Ramps, US Route ll /Welltown Road and US Route ll /Crown Lane. Figure 14 shows the corresponding 2028 Phase 3 - Scenario B build -out lane geometry and weekday AM /PM peak hour levels of service results. All Synchro levels of service worksheets are included in the Appendix section of this Report. Greenway Engineering has provided Table 3 to show the 2028 background and Phase 3 build -out (Scenarios A and B) levels of service, vehicle delay as well as the 95` percentile back of queue, by lane group /approach, for each of the study area intersections. n Memorandum To: Jerry Copp Page 7 of 22 1 2022 BACKGROUND /PHASE 2 BUILD -OUT CONDITIONS Figure 5 shows the 2022 background weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/I -81 Southbound Ramps, US Route ll /Welltown Road and US Route ll /Crown Lane. Figure 6 shows the corresponding 2022 background lane geometry and weekday AM /PM peak hour levels of service results. Figure 7 shows the 2022 Phase 2 build -out weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/I -81 Southbound Ramps, US Route ll /Welltown Road and US Route ll /Crown Lane. Figure 8 shows the corresponding 2022 Phase 2 build -out lane geometry and weekday AM /PM peak hour levels of service results. All Synchro levels of service worksheets are included in the Appendix section of this Report. Greenway Engineering has provided Table 2 to show the 2022 background and Phase 2 build -out levels of service, vehicle delay as well as the 95` percentile back of queue, by lane group /approach, for each of the study area intersections. P 11 P U U LJ H 2028 BACKGROUND /PHASE 3 BUILD -OUT CONDITIONS Figure 9 shows the 2028 background weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/1 -81 Southbound Ramps, US Route 11 /Welltown Road and US Route 11 /Crown Lane. Figure 10 shows the corresponding 2028 background lane geometry and weekday AM /PM peak hour levels of service results. Figure 11 shows the 2028 Phase 3 - Scenario A build -out weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/I -81 Southbound Ramps, US Route ll /Welltown Road and US Route ll /Crown Lane. Figure 12 shows the corresponding 2028 Phase 3 - Scenario A build -out lane geometry and weekday AM /PM peak hour levels of service results. Figure 13 shows the 2028 Phase 3 - Scenario B build -out weekday ADT and AM /PM peak hour traffic volumes at the intersections of US Route 11/1 -81 Southbound Ramps, US Route ll /Welltown Road and US Route ll /Crown Lane. Figure 14 shows the corresponding 2028 Phase 3 - Scenario B build -out lane geometry and weekday AM /PM peak hour levels of service results. All Synchro levels of service worksheets are included in the Appendix section of this Report. Greenway Engineering has provided Table 3 to show the 2028 background and Phase 3 build -out (Scenarios A and B) levels of service, vehicle delay as well as the 95` percentile back of queue, by lane group /approach, for each of the study area intersections. n u 11 p [J p 0 1 p GREENWAY ENGINEERING, ,m 1.d NJIL - 31 wm Graystone Office & Industrial Park FIGURE 5 W rhmb, PugbN 22W2 °V'( . 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M�f�,S,."'F�.u��5 ' h`i tr y ;'C. h bq, „ 4Fs yw rc�� "i '} c' { &+l. 1 m}vfi y P y� "�bk_M!4 . �9 •'vfi f g N-0' 9 ' '' 3 }µ axff i * ''. 4P I'�J}e4.�." r uK� C fi t' y i - fkc ' °' as,�, '�.i�k+5 y"' 4 £ y'Pi•' Aut'dF` 2{,n4"N ME "fy i y, ? t N /ARC 5 d vh"&lflt h � N/A fi 'Y i is }t ?'- y }'yt ; N/A ! M i t {� � £.t ! qry, d 2l $Y i `ur. i y! 4, t .+h L•, !v . GffiYd Er ry�c+F ' h<k •rSr�s+ t[1 '.0 bt 1 3frvM1^q�G P `'h+i.0 kb �S 86"v sm ti l S vfikk `�x �:`'i'lt�, } r£ 3 .t7+; fj Sa ' ) h d ax"'°53v'�h('TE 4 •h -!' IF k [+ l tf'f" ;VVxi �” HE lS ti "v$°+.5 {� 4Y.{ t t S:t�^r L1a�'Jeh'�•fmry Sl.fa.°Ybh�•. ��F . ..�� .T�.i,. ..v^...ivhLRi: m _. .�mc'n. ... GREENWAY ENGINEERING, w Graystone Office & Industrial Park 1 Mn FIGURE 8 emm, ,,, wwly Hilt R- pk . V� a w 22 185 s u aa FdX:6o-0))Tb9J28 T FA" "'° ""°R' 2022 Phase 2 Build -out Lane Geometry & LOS Project # 2760GC £w.wM o- . wnw1n1A4 rom r r h U 11 U H U H U I L I H H P h Memorandum To: Jerry Copp Page 12 of 22 Table Gray.storic Office and Industrial Park Levels of Scm : ice, Delay and Back of Queue (95%) Results 2022 lho:4 and Phase 2 Build-out Conditions F9- WH •W'n.&?M . N.hb..m S°. SmaWMV6. U, Ls.' Iz.. S,1 IU;A. 0 2022 Bndc¢ronnd C.wflti.n, Ph 2 Billid-oul C.ndifim, .sAl F.ak Ha. F_NI Peak nom' 01 V,* 11.m FM P." it. Los Los V'W Q, X111MUNTI...11 NIL F.'flve SM C�.a Lave T,. M C..n.lt Slp w @xlbn EKL cB'M D 14. 1300 A R 21111 A 6 1 268fi A I 22011 1 5s 1 1700 FXIDS a R A _A I B "T111 A 20. 1" 1) 1 45a 1 1511 11 196. log C 3.1h 1 160 7 . 1 6911 0A A Iv. Oft A It 00 Wit WS A A A I A C 31 F h c L-29--.-J 37A 11 _n-L- NB UJS _ 41ft C _RL _,-, D C ft CL 1 2._L 43 • U 39x C c —8511 Ovv.RALL A It A A FDAVT: I'S R... It SH: tWlh. R." N8Z Amoco Lxoe I M' EPIL E 55 r. 206 F 98 r. 3188 E 56 c. 3168 F 113. L397A C 2H. 1 43i A RH n. 43611 C Z7. 4674 ED LOS O D C Umq. D 48. 1 132F I — ".1 1274 D 46 u. 1468 69. 1 1338 1 B 9 20w 1 20 9 D 1 55.. 1 !177ft C 26c 744 ft _E \VBIR A 3 x 29 fi A 3e. 26ft A 3v. �96fi �A4 , �Zl R WO LOS R D C D ��4. �147 6 F 118x 192 ft F ig a 133 A F 1 152. 1 2148 N11 WS D F I. IM, E 56 a. I n) 6 52 a l ws fi - 7 101 r_ 1 50311 "'Ink A 9., 611 I.II IDS C E c E XIIIA'IL VS R.e 11 S11: 1.81 SD RaM. E11'r A 4 n 1 918 B 13 s. 1954 A 20. 658 13 117z 25811 I" =A=90. 2318� _ =A= _06 =k=== =8$ 0 =A Ix. =O 1413 — LON A A — A B !NLRL a 14.. 688 1) 1 is, t it - 'fl C 1 148 E S9. 2449 - A - F - 11 1 116 A I 1 0 �fl A 1 1480 le. 09 NNT LOS A A A I R sBw TBA( A 11 T 00 A to 0 A 1 ;11 11, 1 011 SH LOS B C F9- WH •W'n.&?M . N.hb..m S°. SmaWMV6. U, Ls.' Iz.. S,1 IU;A. 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 i 1 1 LEGEND 0 1. INTERSE( X (Y) AM PEAK 7000 OENO Py¢ b � � N \S i ,s. m �PIMOM1msd P991� 11W � ' 1j1 y6 � �` z 1j51 \ �,� 1 � 4n M %digs GREENWAY ENGINEERING, ixc 19 WLNy NY(fn Graystone Office & Industrial Park FIGURE 9 1 Te r u, 540. 85 FX(510)°= . 2 " 85 2028 Background Traffic Condition's Project # 2760GC FautleE nl %) µ`yd2en xuKnB.Can I L H H p H p 1 1 1 1 u GREENWAYENGINEERING, Grays tone Office & Industrial Park )sl W.4HXl FIGURE 10 W.�[ ,, Vi gzN 22W2 °Xr54)°'°� "" 2028 Background Lane Geometry & L'OS e� +m.�m+.w [. £nx v f5 n2-9528 Project # 2760GC £ou.Wel Ml9]I w.w,�[[nx'oNer,,q.[wn l:J I I__J 0 H IJ H 1 1 1 H I 1 LEGEND O INTERSECTION# 01 n \ N %(Y) AM PEAK HOUR (PM PEAK HOUR) PNO - ` q 100 DENOTES WEEKDAYAWRAGE GAILYTRIPS (ADT) o O� O A F'IJq 11 It I ai 3 Qp � \ \tt�\l Pz �IP 1xA i 'P ` \ p A r 799 '1� g1gi,. SITE �ton6ll t,� m m >^ �`OAoe, E 5 h � O ae a , Caw #L e 3 :2. 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Graystone Office & Industrial Park FIGURE 11 ]AWi.Wy NNlak lY M1 . Il ) M 22103 ,�E � ,_ g� 2028 Phase 3 - A Build -out Traffic Conditions Project #2760GC 1 1 I LOS= INTERSECTION m LOS =S (C) I PIM � J �6la�h mo e8 CMM i }ei E4 MY 9 RE fi 1 yi 4 Y nr£ ' g4fx e'.L y F...t s }4 N O *INTERSECTION SITE SIGNALIZED INTERSECTION LOS- C (D) SITE k ��� GREENWAYENGINEERING,oc Graystone Office & Industrial Park r H� � FIGURE 12 W Milan ✓yinu 33693 " rPAX °(0)TTN 2028 Phase 3 - A Build -out Lane Geometry & LOS Project #2760GC ne.wws...+a tax (saal nz9sze LEGEND INTERSECTION III R 11- n 1 u u LANE CONFIGURATIONS TRAFFIC SIGNAL ® STOP SIGN A (A) AM PEAK HOUR (PM PEAK HOUR) DENOTES UNSIGNALIZED CRITICAL MOVEMENT DENOTES FREE RIGHT -TURN DENOTES CHANNELIZED RIGHT -TURN II 1 ARTERIAL LOS NO • D (C) L 1 SR =S(0) Cm as w 4 3 3 L N °0p Z 0 e m 4 ° �T14 li. 1 1 I LOS= INTERSECTION m LOS =S (C) I PIM � J �6la�h mo e8 CMM i }ei E4 MY 9 RE fi 1 yi 4 Y nr£ ' g4fx e'.L y F...t s }4 N O *INTERSECTION SITE SIGNALIZED INTERSECTION LOS- C (D) SITE k ��� GREENWAYENGINEERING,oc Graystone Office & Industrial Park r H� � FIGURE 12 W Milan ✓yinu 33693 " rPAX °(0)TTN 2028 Phase 3 - A Build -out Lane Geometry & LOS Project #2760GC ne.wws...+a tax (saal nz9sze p U p 1 1 p D 0 1 p H 1 LEGEND m.3 yrr (9 INTERSECTIONa X(Y) AMPEAKHOUR(PMPEAKHOUR) e pItl y, v yy TaK,o htq Road E000 I DENOTES WEEKDAY AVERAGE DAILY TRIPS(ADT o� � S� O n I � ay9 R jl \l 1 \ ql\ 4 Vr• 6ggl a r ITE 803 5 O e d y O C`nw 3 fm �4 m n v p� w m o r J \ \011 b Pix 5p9 aeNV W 1 1A6 2 } L e' � �� m N 11 . m X64 SITE I O - '��,r O M i m g \P 61 s§s 5 ri t,hnJ'y s� !`,+h46` `' '' *,:`c'k. 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'8".1t EWM f �'Sew {C 4 ro . ' m M' y 'n d s' v � y 3k'1 't''5Citil4 :3 r 24,Y 4r3';b. £::� h �-t ,' .i `ty+prc' �rN - ' . - h .!t^t +l , � `S t�TtF}d!�{J'�` ' 4 0 6 r ' fl I2 Ft t 3 'S!!d'4 ��i i "F ' .M 3 � `i }'' d 'dh f 43,'x, t N °'v tt ° qua• I k wi} •�§ ,a £ ,g y 4Lai i _ ? li a 4 �+t� 4fx. x'33 S �u�• ,dryR y�' ^cif Ytr{r t 9 ,t z �fr N/A n a k t i NIA a 4d� y N/A ztd N/A i� N 4 g y o3.A4'k' i . L F dv$t�6' ,yf' y 2 t ' {t °u E¢ , . er t'{, ' ' eS 6 dt d M ?e.,„ i °' 9 xfl '£ `! 3 Phx3 ,`v" . (o-4: "�H y Hk4� 'Fly. �"'n ittM1 WAN^ r; C P`-f 5 i PF,T'rc `�,. ,L�' (4F 'NVt j�6 �S 3' _4y ! { 4 °4. 'N aY R 3 C5' . 6�j r�.eu*I , i;�FF d :N 0 SP.'b'*iNX M A t as , 3 s s .f h �,.',' rE�Tit e.. i ! x GREENWAY ENGINEERING, taa Graystone Office & Industrial Park „ n ,� FIGURE 13 Tl kl h —: "' 0) ll M FAX,(W)M95M 2028 Phase 3 - B Build -out Traffic Conditions Project # 2760GC IM 1 LEGEND P INTERSECTION# (P LANECONFIGURATIONS TRAFFIC SIGNAL ® STOP SIGN A(A) AMPEAKHOUR(PMPEAKHOUR) * DENOTES UNSIGNALIZ£D CRITICAL MOVEMENT f DENOTES FREE RIGHT -TURN f DENOTES CHANNELIZED RIGHT -TURN INTERSECTION LOS= A (S) tI �eN "� pp19 11 c (0lN SIGNALIZED INTERSECTION LOS -C(0) O m SIGNALIZED INTERSECTION m LDS =A (B) o a 11 a� eiP r SITE GREENWAY ENGINEERING, m Graystone Office & Industrial Park 151 FIGURE 14 Willy HW La u w Aeam. Yvg✓tiv 2W2 O)7 95MA 2028 Phase 3 - B Build -out Lane Geometryf& LOS Project #2760GC YaWe/in lVJl ww (540Gpcan Memorandum To: Jerry Copp Page 19 of 22 Table 3 Grarstnne. Office and Indusidal Park Leeds or Sell Delay and Back of Queue (95 %) Results � 2029 Background and Phase 3 Build -out (Scenarios A and R) Conditions to:N 6nrb mnnll Gmdlwnl I'llaxrt. pnymlLl A l nllonnl Rmlty J71 MEN ..I PManJ. 51Pna1k0 R f51I1, k4R11 JA R4VX{.on. ,UIP.i IIa� 1. P.1H V.I PwA Nq Pdl Pwd aq .1R1 Ped:Hwt PNI 1 it ' Iuwm.U_ -- nH,6 IX...o (1.w.. (w reol Lott nwy mv.l rA,w.w ma.0 IA "' D.wy t...n rn.D un Im..o = r. b.a 1 ' 0 '' 1n w.lirobw °" ro...] Im n•o Y]tL U 1 J7 10 1 '1Ev fS n. 111T H 0. !eX 2 'x " W. E 0" 2 1 A tt %• •: %fl n 6 M_1_6_ ix_ Na0 A _ ee 11. A R A P A B RB1 3a 1 ]4N_ D J 3tlX [! ?Sx OA D Vcl IIX F. `4. Eft M1{B; es a.. 1, RAi' A I•. 50A A 8•: S:B A {9tl A 9.. 95f A 3x Kfl fi _190_ Y6A ;PUNVw Law l A Iv. Pfl A 1., OX A le. 4Y A la. Od T ]e 06 A l•. 4fl S8; (1vw Law 1A LOS A A A A A N&TTft 9 3]a. JIfl II JIa bR D 34v. DD a ptl D l8x Alb D U♦. ]Jtl TnDk C.raU: %fpiiaW MILS C7 D ll D 11 D fi16LTt C 01x. .SIX C llx AX C !tA LI 3Ea .6 f ] &s,: 510 11 Nr TTX sR R. C C C 11 (' P (1\l'R. A R R A 6 B&L E !9. 11 %fl F IOIa 1 JWA F ]11. l:fb F Ills OBX F Hi r.l 31TA F 116. Jl%A e"M IBx. :460 l0. J91A D 19. ))6A C Na S`Itl :6 s.i AbX C 14 •. 51 %b _b _6 IyYO P IG!e. 1 9a $ ila 1S ?A E : Bbw<II C Ugb I 88T 0 tl a. JIIA b !BS !868 B It. ?91fl A !JV Oiltl A 19 v- 1gJX D 53.. " af QCA SB: \5'eMm RaY UAR A Ia lIP A J•. I!X A " A ia. :9& A •. :S6 A I, 11X .uO: ,Aw«aLw VAR L.?S C D G D X D ]JDL'IR E Jt wo P Ut. :IJfi 11 J9. lI4X F 184. _36tl U p2 v.: 12tH F leXv. Il6A ] "nDif ('aM:Mp3tuiaY VB IAJ[ T i D / D l SDi D !3 •. LVX R 9S e. Ylltl P S5c ll`A F lG. 1tJA F el. JlIA F IeA♦ }!1X RY \Tll A Y♦ elA A ilX D Il r. ':A ;4 S. 'lR9 R 3t. ?IX B YF IISO 11E L.5 C D @ D C. U C D tl ICt? A ZA 55 Ilt 160R 0 ?AXE I'll A FAR A Je Il1A A la OX A 1. PR 3 3. 6tp A 1♦ otl Pb ILA A 901111:14Rrr11 15R'1, R 19 v. 86B n 51n 14Aq II J5. 119p F. ?neA 3EV IISA 8 Ws 1 ::M %D. U., llry UN A ]s NX A Iv- 08 A D9tl A Lx IkA p 1♦. uA A Ix 9tl 11.1.05 A b D R A 0 T- MOwW&oJV«Na SHIT D Aa. ])Ofl P 9%. 3JX E 61x 3!OE F JMd B 1 BI• H>A F 96. ]66X A Ix EX A Ix 011 A 1 +. ud A Ir. RX A Ic 00 A It OR _ 14L(.JS IYti {IItA1,L A H B C A B n Memorandum To: Jerry Copp Page 20 of 22 CONCLUSION Each of the study area intersections were evaluated using Synchro TO capacity analysis software. In addition to the Red Bud Road /I -81 Northbound Off -ramp improvements assumed under Phases 2 and 3 of the August 24, 2009 Traffic Impact Study, Greenway Engineering lias included the following infrastructure improvements, as directed by VDOT, proposed to improve traffic flow along southbound Route 11, between I -81 and Crown Lane: 1) the extension of the Route 11 i southbound left -turn at the intersection of Route 11/1 -81 southbound ramps; 2) the extension of the Route 11 southbound left -turn lane at the intersection of Route 11 /Welltown Road; and 3) the addition of third southbound through lane from the I -81 southbound ramps to Crown Lane. The subsequent narratives describe the resultant impacts to the respective future build -out traffic conditions evaluated in this Addendum: ➢ PHASE 1 (2015 1 Intersection Analyses P 1. US Route 11 & Crown Lane: • The eastbound left -turn lane group level of service increased from "F" to "E" during the PM peak hour. 2. US Route 11 & Welltown Road.• • Overall levels of service improved from "F" to "D" during the PM peak hour. i • The westbound thru lane group level of service increased from "F" to "D" during the PM peak hour. • The westbound approach level of service increased from "F" to "D" during the PM peak hour. • The southbound approach level of service increased from "F" to "E" during the PM peak hour. 3. US Route 11 & 1 - -81 Southbound Ramps: • Not Appli cable Arterial Analyses 1. US Route 11, South of the Welltown Road.• • Southbound "arterial" levels of service improved from "F" to "D" during the PM peak hour. P Memorandum To: Jerry Copp Page 21 of 22 ➢ PHASE 2 (2022) Intersection Analyses 1. US Route 1I& Crown Lane: • The westbound left -turn lane group level of service increased from "E" to "D" during the AM peak hour. • The eastbound left -turn lane group level of service increased from "F" to "E" during the PM peak hour. 2. US Route 11 & WeRtoum Road: • Overall levels of service improved from "F" to "D" during the PM peak hour. • The westbound thru lane group level of service increased from "F" to "D" during the PM peak hour. i • The westbound approach level of service increased from "F" to "D" during the PM peak hour. • The southbound approach level of service increased from "F" to "E" during the PM peak hour. 3. US Route 11 & I -81 Southbound Ramps: • Not Applicable Arterial Analyses U F P 1. US Route 11, South of the WeRtown Road.• • Southbound "arterial" levels of service improved from "F" to "D" during the PM peak hour. k I 0 Memorandum To: Jerry Copp Page 22 of 22 I ➢ PHASE 3 (2028) ' Intersection Analyses 1. US Route 11 & Ccown Lane. • The northbound approach level of service increased from "E" to "D" during the PM peak hour. 2. 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