HomeMy WebLinkAbout01-07 Traffic Impact AnalysisA Phased Traffic Impact Analysis of
The Preserve at Jordan Springs
Located in:
Frederick County, Virginia
Prepared for:
Drees Homes
5510 Cherokee Avenue
Alexandria, VA 22312
Prepared by:
Patton Harris Rust & Associates, pc
Engineers, Surveyors, Ranners, Landscape Architects.
10212 Governor Lane PHPA+ Williamsport, 301 230 0 - F I 301 1 .22 1 3 6831
August 02, 2006
(Revised January 9, 2007)
0 •
OVERVIEW
Report Summary
Patton Harris Rust & Associates, pc (PHR+A) has prepared this document to
present the traffic impacts associated with the proposed Preserve at Jordan Springs
development located along Jordan Springs Road, south of Old Charles Town Road, in
Frederick County, Virginia. The proposed project is to include 365 single - family detached
units, 120 apartment units, 120 townhouse units to the west of Jordan Springs Road and an
additional 90,000 square foot office to the east of Jordan Springs Road. Access to the
proposed development is provided via one (l) site - driveway to the west of Jordan Springs
Road, one (1) site- driveway to the north of Woods Mill Road and one (1) site - driveway to
the east of Jordan Springs Road. The proposed development will be built -out over two (2)
transportation phases by the year 2010. Figure 1 is provided to illustrate the location of
the Jordan Springs with respect to the surrounding roadway network.
Phase 1 (2008) assumes partial build -out of the total proposed development with
access provided via one (1) site - driveway along the west side of Jordan Springs Road and
one (1) site - driveway to the north of Woods Mill Road.
Phase 2 (2010) assumes the full build -out with access provided via one (1) site -
driveway to the west of Jordan Springs Road, one (1) site- driveway to the north of Woods
Mill Road and one (1) site - driveway to the east of Jordan Springs Road.
Methodology
The traffic impacts accompanying the Preserve at Jordan Springs development were
obtained through a sequence of activities as the narratives that follow document:
• Assessment of background traffic including other planned projects in the area of
impact,
• Calculation of trip generation for the Preserve at Jordan Springs,
• Distribution and assignment of the Preserve at Jordan Springs generated trips onto the
study area road network,
• Analysis of capacity and level of service using the newest version of the highway
capacity software, HCS +, for existine and future conditions.
P � d Phased Traffic Impact Analysis of the Preserve at Jordan 9, 2
January 9, 2007
Project Number - 14687 -1 -0
Page I
•
No Scale
f h ,i
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�' dP SITE g SITE
'
ti
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Figure I Vicinity Map - The Preserve Jordan Springs in Frederick County, VA
P A Phased TmfFc lnrnnrr Annhsi.c n( the Prexerzent.as 9. 2 0 0 a
1 1l Janu 9,'_'007
i t L t
Project Numher- 14687 -1-0
Page 2
EXISTING CONDITIONS
PHR +A conducted AM and PM peak hour manual turning movement counts at the
intersections of US Route I I/ Old Charles Town Road, US Route t l/ Stephenson Road,
Old Charles Town Road/ Stephenson Road, Jordan Springs Road/ Old Charles Town Road,
Jordan Springs Road/ Morrison Road, Jordan Springs Road/ Monastery Ridge Road,
Jordan Springs Road/ Woods Mill Road and Route 7/ Woods Mill Road. PHR +A
established the ADT (Average Daily Traffic) 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
10% based on the Virginia Department of Transportation (VDOT) traffic count data.
Figure 2 shows the existing ADT and AM/PM peak hour traffic volumes at key
locations throughout the study area. Figure 3 shows the respective existing lane geometry
and AM/PM peak hour levels of service. All traffic count data and HCS+ levels of service
worksheets are included in the Appendix section of this report.
P H A
1 A Phased Traffic Impact Annhsis of the Preserve nl Jordan 2 0 0
9. s
January 9. ?007
Project No mber- 14687- 1 -0
Page 3
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AM Peak Hour(PM Peak Hour)
1 �
Existing Peak Hour Traffic Volumes
P LJ A Phrased Traffic Impact Analysis of the Preserre cu Jordan 2
RA �l l
gs
H 1 January 9. 9. 2007
Project Number- 14637 -l-0
Page 4
No Scale
OW Ctwl, Tom. Road
Monastery Ridge
�1 Road
Site
SITE oni;e «I
i s Unsignalizel
Intersection
r 1
•(C)61 Route
Cu~ tN this is a
eNi SITE
Intersection
0
m
G
H Unsignalized
Intersection
7
K
Uns,inlized
Intersection
Unsignotized
Intersection
Unsignalized
Intersection
XAIr
�} Morrison
�V R , ad
=Y
Figure 3
P
* Denotes Unsignalized Critical Movement
AM Peak Hour (PM Peak Hour)
Existing Lane Geometry and Levels of Service
A Phased Traffic Impact Annlvais of the Preserve ar Jordan Sprin',
January 9.'_007
Project Number - 14687 -1 -0
PaLe 5
11
Unsignalized
Intersection
r .11.11.
Unsignalized
Intersection
XAIr
�} Morrison
�V R , ad
=Y
Figure 3
P
* Denotes Unsignalized Critical Movement
AM Peak Hour (PM Peak Hour)
Existing Lane Geometry and Levels of Service
A Phased Traffic Impact Annlvais of the Preserve ar Jordan Sprin',
January 9.'_007
Project Number - 14687 -1 -0
PaLe 5
11
9 0
PHASE 1 TRAFFIC ANALYSES (2008)
Phase 1 (2008) assumes partial build -out of the total proposed development with
access provided via one (1) site - driveway along the west side of Jordan Springs Road and
one (1) site - driveway to the north of Woods Mill Road.
2008 BACKGROUND CONDITIONS
PHR +A increased the existing traffic volumes (Figure 2) along Route 11. Route 7,
Jordan Springs Road, Old Charles Town Road and Woods Mill Road using a conservative
growth rate of five percent (5 %) per year through Year 2008. Additionally, all trips
relating to specific future "other developments" located within the vicinity of the proposed
development were included. Based upon the 7 Edition of the Institute of Transportation
Engineers' (ITE) Trio Generation Report PHR +A has provided Table 1 to summarize the
calculated trips associated with each of the 2008 "other developments ".
Figure 4 show the 2008 background ADT and AM /PM peak hour traffic volumes
at key locations throughout the study area for roadway. Figure 5 shows the corresponding
2008 background lane geometry and AM/PM peak hour levels of service. HCS+ levels of
service worksheets are provided in the Appendix section of this report.
P IJ l �l i A Phased Traffu tnroncl Annlrsis of the Preserve at Jordan 2
1 l January 9, 9, ?007
Project Number - 14687 -1 -0
Pate 6
0
Table 1
2008 "Other Developments'
Trip Generation Summary
Includes Giles Farm. Toll Brothers. Coventry Court and miscellaneous residential at an absorin ion rate of RB units /year
P RA
A Phased Traffic 7nm o t Analysis of the Preserve at Jordan Sprines
January 9. 2007
Project Number - 14687 -1 -0
Page 7
ANI
Peak
Hour
PNI
Peak
Hour
Code Land Use
Amount
ADT
In
Out
Total
In
Out
Total
Red -laud Run
210 Single - Family Detached
300 units
55
165
219
182
107
288
3,000
Total
55
165
219
182
107
288
3,000
Toll Borthers- Eddy's Lane
210 Single - Family Detached
80 units
16
49
65
55
32
88
800
Total
16
49
65
55
32
88
800
Butcher Property
210 Single- Family Detached
65 units
14
41
55
46
27
73
650
Total
14
41
55
46
27
73
650
Fieldstone
210 Single - Family Detached
63 units
13
40
54
45
25
71
630
230 Townhouse
207 units
15
76
91
75
37
112
1,801
Total
29
116
145
120
62
183
2,431
Lambert-Ward Property
210 Single - Family Detached
73 units
15
45
61
51
30
81
730
230 Townhouse /Condo
70 units
7
32
39
30
15
45
609
Total
22
78
99
81
45
126
1,339
Abrams Pointe
210 Single - Family Detached
225 units
42
125
167
140
82
222
2250
Total
42
125
167
140
82
222
2250
Brairwood III
210 Single - Family Detached
69 units
14
43
58
48
28
77
690
Total
1.1
43
58
48
28
77
690
Charming Drive Nlisc. Dev.
210 Single - Family Detached
160 units
30
91
121
103
61
164
1,600
230 Townhouse /Condo
65 units
6
30
37
28
14
42
566
Total
37
121
158
131
74
206
2,166
Fieldstone Development
210 Single- Family Detached
63 units
13
40
54
45
26
71
630
230 Townhouse/Condo
207 units
16
77
92
73
36
109
1,801
Total
29
117
146
118
62
180
2,431
Haggerty Property
210 Single - Family Detached
128 units
25
74
99
84
50
134
1.280
230 Townhouse /Condo
176 units
14
67
81
64
32
96
1.531
Total
39
142
180
148
81
229
2,811
Orrick Paramount
251 Elderly Housing - Detach
75 units
8
14
22
24
16
40
424
252 Elderly Housing - Attach
100 units
4
4
8
7
4
11
348
565 Day Care
6.000 SF
41
36
77
32
36
68
476
710 Office
25,000 SF
54
7
62
18
89
107
459
820 Retail
80,200 SF
84
53
137
260
281
541
5.884
881 Pharmacy w/ DT
15.000 SF
23
17
40
63
66
129
1322
912 Drive-in Bank
6,000 SF
41
33
74
137
137
274
1,351
932 H -T Restaurant
6.000 SF
36
33
69
40
26
66
763
932 H -T Restaurant
6.000 SF
36
33
69
40
26
66
763
Total
327
231
558
622
680
1,302
11,789
Includes Giles Farm. Toll Brothers. Coventry Court and miscellaneous residential at an absorin ion rate of RB units /year
P RA
A Phased Traffic 7nm o t Analysis of the Preserve at Jordan Sprines
January 9. 2007
Project Number - 14687 -1 -0
Page 7
0 0
Table I (Continued)
2008 "Other Developments"
Trip Generation Summary
* Access to be provided via the proposed Rutherford Crossing site-driveway
** Assumed Phase 1 build -out for Year 2010
* ** Assumed 75% build -out for Year 2010
P H d Phrased Traffic Impact Anohais of the Presen e at Jordan 2 0 s
9, 0
January 9, 2007
Project Number - 14687 -1 -0
Page 8
AM
Peak Hour
PM
Peak Hour
Code Land Use
Amount
In
Out
Total
In
Out
Total
ADT
Clearbrook Property
120 GA Heavy Industrial
120,000 SF
54
7
61
3
20
23
180
932 H -T Restaurant
8,000 SF
48
44
92
53
34
87
1,017
Total
102
52
153
56
54
110
1,197
Other Developments *
730 FEMA
350 employees
190
24
214
86
191
277
2.713
812 Building /Lumber Store
15.000 units
26
13
39
33
37
70
639
Total
216
37
253
119
228
347
3.352
Stephenson Village **
210 Single - Family Detached
429 units
77
232
310
255
144
399
4.290
220 Apartment
240 units
20
103
123
100
49
149
1,573
230 Townhouse /Condo
390 units
26
125
150
127
62
189
3.393
251 Elderly Housing - Detach
266 units
29
51
80
78
44
123
1,064
253 Elderly Housing -Attach
72 units
3
2
5
4
3
7
251
Total "New Trite
155
513
667
564
302
866
10,570
Sempeles Property * **
130 Industrial Park
898.425 SF
459
101
559
154
580
734
5,204
820 Retail
73,500 SF
79
51
130
245
266
511
5,559
Total
538
152
689
399
846
1,245
10,763
Rutherford's Farm Ind. Park
815 Discount Store
127,000 SF
73
34
107
321
321
643
7.115
Total
73
34
107
321
321
643
7,115
* Access to be provided via the proposed Rutherford Crossing site-driveway
** Assumed Phase 1 build -out for Year 2010
* ** Assumed 75% build -out for Year 2010
P H d Phrased Traffic Impact Anohais of the Presen e at Jordan 2 0 s
9, 0
January 9, 2007
Project Number - 14687 -1 -0
Page 8
1 sae
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2008 Background Peak Hour Traffic Volumes
P A
l r1 Phrased Traffic Impact Annlvsiso( the Presene rat Jo rdan
uat y 9. 2 7
January 9. 2007
Project Number - 14687 -1 -0
Pule 9
0 •
P A YhareATruffir hnnaa h dnn sis of the Preserve at. lordan Sones
1 1L January 9. 2007
l V L <
Project ivUmber- 111687 -1 -0
Page 10
/ Unsi ..alum
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} Road
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Old Chu dc+Toun
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t o,,7 ' SITE
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Y
v
Int mmuon Improvemenl"
LOS =QQ ER - 1 Left
t
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WR - IThru
Intersection
_
3
J L ~C(C)
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P7r
9
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(D)C
7
v
g Signalized
- 21 z Intersection
= LOS =CIF)
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�^
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6 UnxignnlizM
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^
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7
1 V
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y
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=
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y
m�
-.F Raute7
(E)C e�
�
F
F
* Denotes Unsignalized Critical Movement
P Ab!
H
Peak Hour (PIY[ Peak Hour)
Figure 5
2008 Background Lane Geometry and Levels of Service
P A YhareATruffir hnnaa h dnn sis of the Preserve at. lordan Sones
1 1L January 9. 2007
l V L <
Project ivUmber- 111687 -1 -0
Page 10
9 0
PHASE 1 TRIP GENERATION
The total trips produced by and attracted to the Preserve at Jordan Springs site were
established using the 7 l Edition of the Institute of Transportation Engineers' (ITE) Trip
Generation Report Table 2 summarizes the trip generation results for the proposed
Jordan Springs development.
Table 2
Proposed Developemm: The Preserve at Jordan Springs - (Phase 1)
Trip Generation Summary
Code
Land Use
Amount
AM
In
Peak
Out
Hour
Total
In
Pbt Peak
Out
Hour
Total
ADT
210
Single- Family Detached
140 units
27
81
107
91
54
145
1.400
220
Apartment
48 units
4
23
27
30
15
45
422
230
Townhouse /Condo
48 units
5
24
29
22
11
33
480
Total
36
127
163
143
79
223
2.302
PHASE 1 TRIP DISTRIBUTION AND TRIP ASSIGNMENT
PHR +A utilized the trip distribution percentages shown in Figure 6 to assign the
Jordan Springs trips (Table 2) throughout the study area roadway network. Figure 7 shows
the corresponding development - generated AM /PM peak hour trips and ADT assignments.
2008 PHASE 1 BUILD -OUT CONDITIONS
The Jordan Springs assigned trips (Figure 7) were added to the;2008 background
traffic volumes (Figure 4) to obtain 2008 build -out conditions. Figure 8 provide the 2008
build -out ADT and AM/PM peak hour traffic volumes at key locations throughout the
study area. Figure 9 shows the corresponding 2008 build -out lane geometry and AM /PM
peak hour levels of service. All HCS+ levels of service worksheets are included in the
Appendix section of this report.
Project Number- 14
P IJ l �l l A Phased Traffic Impact Annhsis o( the Preserve at Jordan 9. 2
1 1l January 9. 2007
687 -1 -0
Page I I
0 0
No Scale
Figure 6
P
Trip Distribution Percentages
A Phased Traffic Impel Analcsis of the Pre.sene at Jordan Smites
lanuury 9. 2007
Project Number - 14687 -1 -0
Page 12
0 0
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aY l t rzisan (48)7� V Rout
AM Peak Hour(PM Peak Hour)
I
Figure 7 Phase 1: 2008 Traffic Assignments
P IJ l �l l d Phased TrnfFc /nrnact dnnh'sis of dre Preserve at Jordon 9. 2 0 0 s
H l ]anuary 9, ?007
Project Nu mher- 14687 -1 -0
Page 13
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ANI Peak Hour(PNI Peak Hour)
Figure 8 Phase 1: 2008 Buildout Peak Hour Traffic Volumes
P A
RA
Phased Traffic Imnna Ann /rsis ofrhe Presen'e at Jordan 9. 2 0 0 s
January 9, ?007
�l
Project Number- 14687 -1-0
1 1
Page 14
E
0
Project Number - 14
P IJ l �l i A Phased Traffic Imnncl Annlrsis of the Presene (it Jordon 2
1 11 Janu 9, ary 9. 2007
687 -1 -0
Page 15
/ Unsignalized
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-
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IC
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y Unersecdnn
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* Denotes Unsignalized Critical Movement
r PH �
AM Peak Hour (PM Peak Hour)
Figure 9
Phase 1: 2008 Build -Out Lane Geometry and Levels of Service
Project Number - 14
P IJ l �l i A Phased Traffic Imnncl Annlrsis of the Presene (it Jordon 2
1 11 Janu 9, ary 9. 2007
687 -1 -0
Page 15
PHASE 2 TRAFFIC ANALYSES (2010)
Phase 2 (2010) assumes the full build -out with access provided via one (1) site- driveway
to the west of Jordan Springs Road, one (l) site - driveway to the north of Woods Mill Road
and one (1) site - driveway to the east of Jordan Springs Road.
2010 BACKGROUND CONDITIONS
PHR +A increased the existing traffic volumes (Figure 2) along Route 11, Route 7,
Jordan Springs Road, Old Charles Town Road and Woods Mill Road using a conservative
growth rate of five percent (5 %) per year through Year 2010. Additionally, all trips
relating to specific future "other developments" located within the vicinity of the proposed
development were included. Based upon the 7 th Edition of the Institute of Transportation
Engineers' (ITE) Trip Generation Report PHR +A has provided Table 3 to summarize the
calculated trips associated with each of the 2010 "other developments ".
Figure 10 show the 2010 background ADT and AM/PM peak hour traffic volumes
at key locations throughout the study area for roadway. Figure 11 shows the
corresponding 2010 background lane geometry and AM/PM peak hour levels of service.
HCS+ levels of service worksheets are provided in the Appendix section of this report.
P H A Phased Traffic Impact Annh sis of the Preserve m Jordan 2 0 0 7
9,
January 9, 2007
Project Number - 14687 -1 -0
Pa,-e 16
Table 3
2010 "Other Developments"
Trip Generation Summary
Code Land Use
Amount
AM
Peak Hour
PM
Peak
Hour
ADT
In
Out
Total
In
Out
Total
Red -Bud Run
210 Single - Family Detached
300 units
55
165
219
182
107
288
3,000
Total
55
165
219
182
107
288
3,000
Toll Borthers- Eddy's Lane
210 Single- Family Detached
80 units
16
49
65
55
32
88
800
Total
16
49
65
55
32
88
800
Butcher Property
210 Single-Family Detached
65 units
14
41
55
46
27
73
650
Total
14
41
55
46
27
73
650
Fieldstone
210 Single - Family Detached
63 units
13
40
54
45
25
71
630
230 Townhouse
207 units
15
76
91
75
37
112
1.801
Total
29
116
145
120
62
183
2,431
Lambert-Ward Property
210 Single - Family Detached
145 units
28
83
111
94
55
150
1,450
230 Townhouse/Condo
t40 units
11
56
68
53
26
79
L218
Total
39
139
179
147
82
229
2,668
Abrams Pointe
210 Single - Family Detached
225 units
42
125
167
140
82
222
2250
Total
42
125
167
140
82
222
2250
Brairwood III
210 Single - Family Detached
69 units
14
43
58
48
28
77
690
Total
14
43
58
48
28
77
690
Channing Drive Misc. Dev.*
210 Single- Family Detached
320 units
58
175
233
192
113
305
1200
230 Townhouse /Condo
130 units
II
53
64
50
25
75
1,131
820 Retail
120,000 SF
107
68
175
339
367
706
7,645
Total
176
296
472
581
505
1,086
11,976
Fieldstone Development
210 Single - Family Detached
63 units
13
40
54
45
26
71
630
230 Townhouse/Condo
207 units
16
77
92
73
36
109
1,801
Total
29
117
146
118
62
180
2,431
Haggerty Property
210 Single - Family Detached
128 units
25
74
99
84
50
134
1,280
230 Townhouse /Condo
176 units
14
67
81
64
32
96
1,531
Total
39
142
180
148
81
229
2,811
Orrick Paramount
251 Elderly Housing - Detach
75 units
8
14
22
24
16
40
424
252 Elderly Housing - Attach
100 units
4
4
8
7
4
11
348
565 Day Care
6,000 SF
41
36
77
32
36
68
476
710 Office
25.000 SF
54
7
62
18
89
107
459
820 Retail
80,200 SF
84
53
137
260
281
541
5.884
881 Pharmacy w/ DT
15,000 SF
23
17
40
63
66
129
1.322
912 Drive -in Bank
6,000 SF
41
33
74
137
137
274
1.351
932 H -T Restaurant
6.000 SF
36
33
69
40
26
66
763
932 H -T Restaurant
6,000 SF
36
33
69
40
26
66
763
Total
327
231
558
622
680
1,302
1 11,789
*Inc I odes Giles Farm. Toll Brothers, Covemry Court and miscellaneous, residential at an absorbtion tale of 80 units /year
P � A Phased Traffic Impact Annlvsis of the Preserve at Jor 9, 2 0 .c
0
Jan 9, 2007
Project Number-14687-1-0
Page 17
r •
Table 3 (Continued)
2010 "Other Developments"
Trip Generation Summary
Code
Land Use
Amount
AM Peak Hour
PM
Peak Hour
ADT
In
Out
Total
In
Out
Total
Clearbrook Property
120
GA Heavy Industrial
120,000 SF
54
7
61
3
20
23
180
932
H -T Restaurant
8,000 SF
48
44
92
53
34
87
1,017
Total
102
52
153
56
54
Ito
1,197
Other
Developments *
730
FEMA
350 employees
190
24
214
86
191
277
2,713
812
Building/Lumber Store
15.000 units
26
13
39
33
37
70
639
Total
216
37
253
119
228
347
3,352
Stephenson Village **
210
Single - Family Detached
429 units
77
232
310
255
144
399
4.290
220
Apartment
240 units
20
103
123
100
49
149
1,573
230
Townhouse /Condo
390 units
26
125
150
127
62
189
3,393
251
Elderly Housing - Detach
266 units
29
51
80
78
44
123
1,064
253
Elderly Housing - Attach
72 units
3
2
5
4
3
7
251
Total "New Trip!
155
513
667
564
302
866
10,570
Sempeles Property * **
130
Industrial Park
898.425 SF
459
101
559
154
580
734
5204
820
Retail
73,500 SF
79
51
130
245
266
511
5,559
Total
538
152
689
399
846
1,245
10,763
Rutherford's Farm Ind. Park
130
Industrial Park
325,000 SF
210
46
256
61
231
292
2.360
710
Office
245.842 SF
339
46
385
60
294
354
2,667
815
Discount Store
127,000 SF
73
34
107
321
321
643
7,115
862
Home Impr. Superstore
117,000 SF
76
65
140
135
152
287
3,581
934
Fast Food w/ DT
4,800 SF
130
125
255
86
80
166
2.381
934
Fast Food w/ DT
4.500 SF
122
117
239
81
75
156
2,233
932
H -T Restaurant
5,500 SF
33
30
63
37
23
60
699
932
H -T Restaurant
5.500 SF
33
30
63
37
23
60
699
932
H -T Restaurant
5.500 SF
33
30
63
37
23
60
699
932
H -T Restaurant
5.500 SF
33
30
63
37
23
60
699
932
H -T Restaurant
7,200 SF
43
40
83
48
31
79
915
912
Drive -in Bank
4,100 SF
28
22
51
94
94
188
1,004
853
Convey Man w \pumps
4,500 SF
103
103
205
136
136
273
3.805
Total
1,255
719
1,974
1,170
1,507
2,677
28,859
* Access to be provided via the proposed Rutherford Crossing sue -driveway
** Assumed Phase 1 build-out for Year 2010
* ** Assumed 75% build -out for Year 2010
P � A Phased Tragic Impact Annlvsis of the Preserve at Jordan 9, 2
January 9, 2007
Project Number- 14687- 1 -0
Page 18
�p1
?�
t
,��.o,
4 N.
r
O X
� sgbo)
L
Site
�S
T 3 ( 5 )
D W
16(2)
t a(7)
fit 1lartfsoa
Road
Peak Hour)
Figure 10 2010 Background Peak Hour Traffic Volumes
P H A PAn ved 7rnfflc Lrenact AaafrAir of the Pre ern we at J
R+ A Iun uary 9, 9, 20 07
Project Number- 14687 -1 -0
Pa,e 19
E
P H A
A Phased Traffic linvact Anaksis of the Preset i e at Jordan Sprines
January 9, 2007
Project Number - 14687 -i-0
Paac 20
1 UnsignalUed
Signalisd S ted
�bs
Intersection
Intersecdon Improvement"
LOS -6(R).
y:
¢� I
c$ �
t
f 'rag
No Scale
` z
a Town Rood
n
ro
` �rtA
old Charles
Q °tee
l
„
_o0
j
Signalizetl °Sag6.esled
2 Unsignalized
Intersection
Intersection ImProvemenf'
LOS =B(�'
a
,
Monastery Ridgc Road
-a
T
S'1'['Li'Site Drivetil b SITE
p �
?
G
ss� Site Drive #3
OJ
OG % 7 ^
�J 6
1
R�`c
2 �
J
3 Unsignalized
Intersection
7 cj
r � J4 �
T ,o a �
Signnaze "Suggested
a
z
Intersection Improvement"
LOS - C(D) Ell - I Le"
Unsignalized
WB -IThru
Intersection
�CID)
3
Y
C
r Route?
e ll yys /ye
1
/k
9
BJ>
mJC
7
*yam
° R
91
B
7 Unsignalized
6
g Unsignalized
%-
I S
s' tmersection
— L05
t
In terseetion
i�
Intersection
=C(FI
1�_
Wouds Mill P
�-
B(B)*
Ig
Roud. a
-
�3 C(F)
1
Ytffi
µnwds'
*(e)B
7
9
z� Sit
� Ddv�w #I �
Morrlsun
R. d
u
6
>
Rome?
(E)D�
�
z
* Denotes Unsignalized
Critical Movement
P +
H
AM Peak Hour (PM Peak Hour)
Figure 11.
2010 Background Lane Geometry and Levels of Service
P H A
A Phased Traffic linvact Anaksis of the Preset i e at Jordan Sprines
January 9, 2007
Project Number - 14687 -i-0
Paac 20
0 0
PHASE 2 TRIP GENERATION
The total trips produced by and attracted to the Preserve at Jordan Springs site were
established using the 7` Edition of the Institute of Transportation Engineers' (fTE) Trip
Generation Report Table 4 summarizes the trip generation results for the proposed
Jordan Springs development.
Table 4
Proposed Developemnt. The Preserve at Jordan Springs - (Phase II)
Trip Generation Summary
Code
Land Use
Amount
AM Peak
In Out
Hour
Total
In
PM Peak
Out
Hour
Total
ADT
210
Single- Family Detached
365 units
66
199
265
217
127
344
3,650
220
Apartment
120 units
10
53
63
56
28
84
853
230
Townhouse /Condo
120 units
10
50
60
47
23
70
1,200
710
Office
90,000 SF
152
2t
172
31
149
180
1,230
Total
238
322
560
350
327
_ 677
6,933
PHASE 2 TRIP DISTRIBUTION AND TRIP ASSIGNMENT
PHR +A utilized the trip distribution percentages shown in Figure 6 to assign the
Jordan Springs trips (Table 4) throughout the study area roadway network. Figure 12
shows the corresponding development - generated AM /PM peak hour trips and ADT
assignments.
2010 PHASE 2 BUILD -OUT CONDITIONS
The Jordan Springs assigned trips (Figure 13) were added to the 2010 background
traffic volumes (Figure 10) to obtain 2010 build -out conditions. Figure 13 provide the
2010 build -out ADT and AM /PM peak hour traffic volumes at key locations throughout
the study area. Figure 14 shows the corresponding 2010 build -out lane geometry and
AM/PM peak hour levels of service. All HCS+ levels of service worksheets are included
in the Appendix section of this report.
PH A Phased TrnfFc /nipurt Anahsis of the Preserve tit Jordan 9, 2
January 9, ?007
Project Number - 14687 -1 -0
Page 21
/Ii
\\ I
` ry\
L
Y
�M 5
)zQ71:Z
n �9
P
%,13(97) %+ c -a.= % v tl2 (1. , 7 t 7csz) Driveway #3 Si Drrveway #1 t qo �� (107)181) of O � °�
AM Peak Hour(PM Peak Hour)
r
Figure 12 Phase 2: 2010 Traffic Assignments
PH A Phased Traffic bnnect Annhsi.c o(the Preserve (it Jordan 2 0 0 s
Janu 9, ary 9, 2007
Project Number - 14687 -1 -0
Page 22
Oftft-
8 1(60)
x..13(97)
x7(52)
a
A
Sne
a
Deway Nd
sire 1
Driveway pl
(107)1S1..R
y ,
(23139
_ r
i
%.15(8)
t tt 3(5)
W
ti...6(20)
,r 16r_m
� / }lortisn
(` Raud
x
Peak Hour)
Figure 13 Phase 2: 2010 Buildout Peak Hour Traffic Volumes
P A Phased Traffic /moan Annhais u(Ihe Yreserre al Jordan Shrines
1 1
Jan 9. 2007
l � l t
Project Number- 14697 -1 -0
Page 23
0
1 0
PH A Phased Traffic Gnnncr Anahsis of the Presen'e at Jordan 2 0 e
9. 0
January 9, ?007
Project Number - 14687 -1 -0
Page 24
I Unsignalized
Signalized °Suggested
lvterwaion
Intersection Improvement"
LOS =C(L7
$3,
C l
Q
Na Scale
J goad°
Old Chudes Town
4
2
U
t lo n
Inerection
S Si aliud
* 1; g^ "Suggested
Intersection Improvement"
LOS-B(C
w
�
B(B)
Monastery Ridgc Road
m' r
Sj Drive #1 SITE
?
� Site Dri ve #3
r
i
B
3 Unsignolaed
i
tL Intersection
:d =
A
3
L
*
9
_
x
r � J �
B(C)'
O
T a
Signalized "Suggested
a
n
z y.�
has
Interseclton Improvement"
— m>
LOS-C(D) EB- 1 Le
P
Unsignalized
WB -1 Thru
J
°
Intersection
4w. C(D)
J k
g B
.
e
r7 7e
Rouse 7
Ps�e
Q
�J
y 3 Signalized
S Unsignalized
Unsi nalized s
6 Unsignalizetl
S Unsignal¢ d
Intersection
y Intersectian
Intersertiav �d
�A
Intersecion
: Intersection
LOS-D(P)
,^ E
Woods Mill
��
�B(C)
�3 C(F)
��
m
N�
ids.
W Mdl
Road-
x(C)B� o�
y
M
a=
Site Driveway ft
♦ (C)C�
., Morris n
Road
�A
'm °>
Routv7
�)D�
NO goad
>
>
o
L
Denotes Unsignalized Critical Movement
P
H
-
AM * Peak Hour (PM Peak Hour)
Figure 14
Phase 2: 2010 Build -Out Lane Geometry and Levels of Service
PH A Phased Traffic Gnnncr Anahsis of the Presen'e at Jordan 2 0 e
9. 0
January 9, ?007
Project Number - 14687 -1 -0
Page 24
•
CONCLUSION
The traffic impacts associated with the proposed Preserve at Jordan Springs
development are acceptable and manageable. Assuming the improvements shown in
Figure 9 and Figure 14, all intersections, except the intersection of Route 7/ Woods Mill
Road, will maintain levels of service to "C" or better during 2008 (Phase 1) and 2010
(Phase 2) background and build -out conditions. The intersection of Route 7/ Woods Mill
Road, will maintain levels of service to "D" or better during 2008 (Phase 1) and 2010
(Phase 2) background and build -out conditions. The following reiterates the off -site
roadway improvements recommended for each of the study area intersections:
• Route 7 @ Woods Mill Road: In order to achieve acceptable levels of
service, this intersection will require an additional east bound left turn lane
and an additional westbound thru lane during 2008 (Phase 1) and 2010
(Phase 2) background and build -out conditions.
• US Route I I @ Stephenson Road: In order to achieve acceptable levels of
service, this intersection will require traffic signalization during 2010
(Phase 2) background and build -out conditions.
• US Route I I @ Old Charles Town Road: In order to achieve acceptable
levels of service, this intersection will require traffic signalization, two (2)
westbound left -turn lanes as well as a northbound right -turn lane for 2008
(Phase 1) and 2010 (Phase 2). An additional westbound left -turn lane is
required during 2010 (Phase 2) background and build -out conditions. This
improvement is proffered by other developers.
P L—I l �l ` d Phased Trn c /nmacr Anah'sis o( the Presene at Jordan 9. 2
l 1 January 9. 2007
Project Number - 14687 -1 -0
Page 25