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TRAFFIC ANALYSIS REPORT
Intersection of SR-2 and Willow StreetIn the Community of Wrightwood
San Bernardino County
May 2010
Courtesy WrightwoodCalif.com
Table of Contents
I. INTRODUCTION
II.1?345III.
TRAFFIC ANALYSISProject PurposeMethodologyTraffic dataLocationTraffic analysis
CONCLUSION:
334456
6
APPENDICES:
Appendix A: Traffic CountsAppendix B: Calculations
Courtesy WrightwoodCalif.com
I. Introduction:
This report presents the results of a traffic analysis performed for the intersection of StateRoute 2(SR-2) and Willow Street in the community of Wrightwood, County of SanBernardino, California.
The intersection of SR-2 and Willow Street is an un-signalized intersection with four legsand currently has Two Way Stop Control and configured with a shared left/through/rightlane for both approaches of SR-2 and Willow Street. This intersection is surrounded bybusinesses such as Post Office, U-haul store, auto service, restaurants, residential andother retail outlets. There is also a parking lot on Willow Street, north of SR-2. Part ofthe residential community is also located along Willow Street on the south side of SR-2.
The highway segment of SR-2 at the study intersection is a two lane undivided highwaywith double yellow center stripe and reflective recessed pavement makers. It is located inthe high desert region of northern San Bernardino County and is approximately 5 mileswest of SR-138. SR-2 runs in the east-west direction with one lane in each direction.
At the study intersection, the project proposes to change the Two Way Traffic Control toan All Way Traffic Control, hi addition, a cross-walk will be added at the intersection.
II. TRAFFIC ANALYSIS:
1. Project Purpose:
The purpose of this study is to determine the effects of an All Way Stop Control (AWSC)at the intersection of SR-2 and Willow Street when heavy winter traffic is expected.When heavy snowfall occurs in the mountains, the community of Wrightwood and SR-2experiences traffic congestion during the weekend due to visitors. The traffic impactreport was prepared to determine the Level of Service (LOS) and delay at the studyintersection.
There are two alternatives studied in this report:
Alternative 1: Existing - Two Way Stop Control (TWSC) at study intersectionAlternative 2: All Way Stop Control (AWSC) at study intersection withimprovements
Courtesy WrightwoodCalif.com
2. Methodology:
The LOS at the intersection of SR-2 and Willow Street was analyzed by using HighwayCapacity Manual HCM 2000 methodology (Transportation Research Board, Washington,D.C., 2000). Table 2.1 shows the level of service and performance criteria for signalizedand un-signalized intersections.
Table 2.1: Level of Service and Performance Criteria - Signalized & Un-signalized Intersections.
- • - . " • - " :•• - ' " • " - • • • - V / : " -
: ; ; Service. . .
A
B
C
D
E
F
n ; Control Delay Per;;Vehicle;(secK >:
SignalizedI^mtersectibria
<10
>10and<20
>20 and < 35
>35 and < 55
>55 and < 80
>80
Un-signalized-S'-- y intersection; w ;
<10
>10and<15
>15and<25
>25 and < 35
>35 and < 50
>50
' • ' • • ' " • • " • " " - ' • ' T:1 -/- "i" " • " ""•" '
i^--'- ; . . . - ^ : : Jlefmition ,. : ~ •• .. : /•;:;. .
EXCELLENT: No vehicle wait is longer than onered light, and no approach phase is fully used
VERY GOOD: An occasional approach phase isfully utilized; many drivers begin to feelsomewhat restricted within groups of vehicles
GOOD: Occasionally drivers may have to waitthrough more than one red light; backups maydevelop behind turning vehicles
FAIR: Delays may be substantial during portionsof the rush hours, but enough lower volumeperiods occur to permit clearing of developinglines, preventing excessive backupsPOOR: Represents the most vehicles intersectionapproaches can accommodate; may be long linesof waiting vehicles through several signal cycles
FAILURE: Backups from nearby locations or oncross streets may restrict or prevent movement ofvehicles out of the intersection approaches.Potentially very long delays
3. Traffic Data:
Existing condition traffic volume data are based on counts conducted on Saturday,December 12, 2009 and February 13, 2010 from 6:00 AM to 6:00 PM. The weekend PMpeak hour occurred from 1:30 PM to 2:30 PM on both count days. Counts were taken onthese dates since a large amount traffic was expected due to heavy snowfall experiencedpreceding the weekend.
Table 3.1 shows the peak hour turning movement volume for SR-2 and Willow Streetintersection. The Peak Hour Factor varied depending on each movement and it is shownin Appendix A Traffic Counts. The heavy vehicle traffic has been assumed to be 2% in
Courtesy WrightwoodCalif.com
Table 3.1: SR-2 and Willow Street Turning Movement Counts (vph) for PM WeekendPeak Hour from 1:30 PM to 2:30 PM.
12/12/09
02/13/10
SR-2Eastbound
L36
T467925
R1616
SR-2Westbound
L105
T361298
R4937
Waiow StreetNorthboundL64
T29
R712
Drive-WaySouthboundL2416
T54
R1510
4. Locations:
East of the intersection of SR-2/Willow St Intersection of SR-2 and Willow St
The intersection of SR-2/Willow
Courtesy WrightwoodCalif.com
5. Traffic analysis:
The traffic analysis for this study was performed using traffic engineering software,Synchro. The analysis indicated that the intersection of SR-2 and Willow Street operatedat Level of Service "A" for TWSC and Level of Service of "C" for the AWSCalternative, using traffic data collected on December 12, 2009. For the traffic datacollected on February 13, 2010, the analysis indicated that the intersection would operateat a Level of Service "A" for TWSC alternative and level of Service "F" for AWSCalternative. The result of the traffic analyses are presented in Table 4.1
Table 4.1. LOS intersection analyses results for weekend peak hour PM at SR-2 andWillow Street
Location
SR-2 andWillow Street -Dec. 12, 2009
SR-2 andWillow Street -Feb. 13,2010
TWSC (no-build)LOS
A
A
Delay(sec)2.0
2.9
AWSC(Alt 2)LOS
C
F
Delay(sec)19.7
129.9
III. CONCLUSIONS:
The study found that the intersection of SR-2 and Willow Street would operate at a goodlevel of service for most of the year under an All Way Stop Control condition. However,on a few weekends in a year, the intersection would fail when there is a surge in trafficdemand due to visitors traveling to Wrightwood. These conditions can be mitigated byusing the services of law enforcement officers and providing real time travel informationto the motorists.
IV. APPENDICES:
Appendix A:Appendix B:
Traffic CountsCalculations
Courtesy WrightwoodCalif.com
APPENDIX A: TRAFFIC COUNTS
Courtesy WrightwoodCalif.com
County of San BernardinoN/S: Willow StreetE/W: SR-2Weather: Cloudy
Counts Unlimited Inc.25286 Jaclyn Avenue
Moreno Valley, CA 92557951-485-7934 File Name
Site CodeStart DatePage No
CSBWI2SAT931702512/12/20091
Start Time06:00 AM06: 15 AM06:30 AM06:45 AM
Total
Willow StreetSouthbound
Left00202
Thru00000
Right10001
App. Total
1
0203
Groups Printed- Total VolumeSR-2
WestboundLeft
00000
Thru23408085
228
Right20327
App. Total
25408387
235
Willow StreetNorthbound
_Left01102
Thru01001
Right00000
App. Total
0
2103
Left01102
SR-2Eastbound
Thru8
10118
37
Right | App. Total
0 80 110 120 80 39
Int. Total
34539895
280
07:00 AM07: 15 AM07:30 AM07:45 AM
Total
08:00 AM08:1 5 AM08:30 AM08:45 AM
Total
09:00 AM09:1 5 AM09:30 AM09:45 AM
Total
10:00 AM10:15 AM10:30 AM10:45 AM
Total
11:00 AM11:15AM11:30 AM11:45 AM
Total
12:00 PM12:15 PM12:30PM12:45 PM
Total
01:OOPM01:15 PM01:30PM01:45PM
Total
2 0 0 22 0 0 24 0 0 41 0 0 19 0 0 9
2 0 0 22 1 0 34 1 2 75 1 0 6
13 3 2 18
8 1 1 105 0 0 58 1 4 139 3 3 15
30 5 8 43
7 1 5 138 2 7 178 1 8 178 3 7 18
31 7 27 65
7 0 1 88 1 6 156 0 4 108 3 3 14
29 4 14 47
5 1 3 95 2 6 138 3 3 14
11 3 3 1729 9 15 53
5 0 3 84 0 7 117 2 5 145 2 6 13
21 4 21 46
0 79 1 801 87 4 921 123 2 1260 133 0 1332 422 7 431
1 104 2 1072 99 8 1092 106 2 1102 91 6 997 400 18 425
2 72 8 820 76 7 831 69 9 792 74 15 915 291 39 335
1 71 12 840 68 7 750 75 20 952 69 16 873 283 55 341
5 62 12 791 69 21 913 66 17 862 74 14 90
11 271 64 346
3 84 9 960 74 15 891 85 11 973 82 16 1017 325 51 383
1 80 13 941 78 16 950 85 10 953 91 8 1025 334 47 386
1 0 1 20 0 0 04 0 0 43 1 1 58 1 2 11
2 0 0 25 0 2 73 0 2 52 1 0 3
12 1 4 17
3 0 0 31 0 2 32 1 3 63 0 7 109 1 12 22
3 0 1 41 2 2 52 3 1 62 2 3 78 7 7 22
1 2 4 73 1 4 84 1 1 61 3 1 59 7 10 26
5 1 0 60 5 2 71 3 2 61 0 1 27 9 5 21
0 2 6 82 0 1 31 1 3 52 1 0 35 4 10 19
1 17 0 180 23 0 230 17 2 190 26 3 291 83 5 89
0 31 1 321 36 0 372 42 0 443 44 2 496 153 3 162
3 56 1 602 42 1 451 58 4 633 67 2 729 223 8 240
3 67 1 713 70 2 754 85 5 942 80 0 82
12 302 8 322
4 83 1 884 89 4 973 122 1 1262 126 6 134
13 420 12 445
1 132 1 1342 88 3 931 98 2 1013 123 4 1307 441 10 458
3 117 2 1220 102 3 1050 119 6 1251 95 1 974 433 12 449
102117153168540
143156166157622
155136161188640
172172212194750
182211228243864
245202218250915
232214239215900
02:00 PM02: 15PM02:30 PM02:45 PM
Total
03:00 PM
8 0 1 94 1 3 83 4 2 92 0 1 3
17 5 7 29
6 0 1 7
2 90 17 1095 95 14 1145 55 7 675 88 11 104
17 328 49 394
1 82 11 94
2 0 2 41 0 2 31 2 1 42 0 8 106 2 13 21
0 1 2 3
1 108 3 1121 145 6 1521 113 2 1161 89 3 934 455 14 473
3 110 8 121
234277196210917
225
Courtesy WrightwoodCalif.com
County of San BernardinoN/S: Willow StreetE/W: SR-2Weather: Cloudy
Counts Unlimited Inc.25286 Jaclyn Avenue
Moreno Valley, CA 92557951-485-7934 File Name
Site CodeStart DatePage No
CSBWI2SAT931702512/12/20092
Start Time03:15 PM03:30 PM03:45 PM
Total
Willow StreetSouthbound
Left983
26
Thru0101
Right234
10
App. Total
11127
37
Left0124
Groups Printed- Total VolumeSR-2
WestboundThru
817065
298
Right J App. Total
11 9213 849 76
44 346
Willow StreetNorthbound
Left | Thru4 00 05 19 2
Right2228
App. Total
628
19
SR-2Eastbound
Left052
10
Thru11697
125448
Right142
15
App. Total
117106129473
Int. Total
226204220875
04:00 PM04:15 PM04:30 PM04:45 PM
Total
05:00 PM05:1 5PM05:30 PM05:45 PM
Total
Grand TotalApprch %
Total %
4 3 3 102 0 1 33 1 3 72 1 0 3
11 5 7 23
2 0 2 42 0 0 21 0 1 24 2 0 69 2 3 14
227 45 115 38758.7 11.6 29.72.6 0.5 1.3 4.4
2 72 12 862 66 9 771 78 14 931 64 7 726 280 42 328
2 61 5 680 70 1 710 55 6 610 56 2 582 242 14 258
69 3702 437 42081.6 88 10.40.8 42.4 5 48.3
2 1 1 41 0 0 14 0 2 61 0 2 38 1 5 14
1 1 1 32 0 5 71 0 2 33 0 1 47 1 9 17
90 37 85 21242.5 17.5 40.1
1 0.4 1 2.4
0 112 3 1152 105 2 1092 112 1 1151 117 1 1195 446 7 458
0 100 1 1010 78 0 780 66 0 660 60 1 610 304 2 306
73 3745 96 39141.9 95.7 2.50.8 42.9 1.1 44.9
215190221197823
176158132129595
8721
Start Time
Willow StreetSouthbound
Left | Thru | Right App. Total
SR-2Westbound
Left I Thru | Right App. Total
Willow StreetNorthbound
Left | Thru | Right | APP. Total
SR-2Eastbound
Left Thru I Right APP. Total Int. TotalPeak Hour Analysis From 06:00 AM to 05:45 PM - Peak 1 of 1Peak Hour for
01:30 PM01:45PM02:00 PM02:1 5PM
Total Volume% App. Total
PHF
Entire Intersection Begins at 01 :i7 2 5 145 2 6 138 0 1 94 1 3 8
24 5 15 4454.5 11.4 34.1.750 .625 .625 .786
JOPM0 85 10 953 91 8 1022 90 17 1095 95 14 114
10 361 49 4202.4 86 11.7
.500 .950 .721 .921
1 1 3 52 1 0 32 0 2 41 0 2 36 2 7 15
40 13.3 46.7.750 .500 .583 .750
0 119 6 1251 95 1 971 108 3 1121 145 6 1523 467 16 486
0.6 96.1 3.3.750 .805 .667 .799
239215234277965
.871
Courtesy WrightwoodCalif.com
County of San BernardinoN/S: Willow StreetE/W: SR-2Weather: Cloudy
Counts Unlimited Inc.25286 Jaclyn Avenue
Moreno Valley, CA 92557951-485-7934 File Name
Site CodeStart DatePage No
CSBWI2SAT931702512/12/20093
Willow StreetIn Total
44
I 15l 5l 24lRight Thru Left
Peak Hour Data
TNorth
Peak Hour Begins at 01:30 P.
Total Volume
Leftr>
Thru Right~L , el IT
Out In_ Willnw .q
Total
Peak Hour Analysis From 06:00 AM to 05:45 PM - Peak 1 of 1Peak Hour for Each Approach Begins at:
+0 mins.+15 mins.+30 mins.+45 mins.
Total Volume% App. Total
PHF
10:00 AM7 1 5 138 2 7 178 1 8 178 3 7 18
31 7 27 6547.7 10.8 41.5.969 .583 .844 .903
07:30 AM1 123 2 1260 133 0 1331 104 2 1072 99 8 1094 459 12 475
0.8 96.6 2.5.500 .863 .375 .893
10:30 AM
2 3 1 62 2 3 71 2 4 73 1 4 88 8 12 28
28.6 28.6 42.9.667 .667 .750 .875
11:15AM4 89 4 973 122 1 1262 126 6 1341 132 1 134
10 469 12 4912 95.5 2.4
.625 .888 .500 .916
Courtesy WrightwoodCalif.com
County of San BernardinoN/S: Willow StreetE/W: SR-2Weather: Sunny
Counts Unlimited, Inc.25286 Jaclyn Avenue
Moreno Valley, CA 92557(951)485-7934 File Name
Site CodeStart DatePage No
CSBWI2SAT100420282/13/20101
06:00 AM06:1 5 AM06:30 AM06:45 AM
Tota
07:00 AM07:1 5 AM07:30 AM07:45 AM
Total
08:00 AM08: 15 AM08:30 AM08:45 AM
Total
09:00 AM09: 15 AM09:30 AM09:45 AM
Total
10:00 AM10:15 AM10:30 AM10:45 AM
Total
11:00 AM11:15AM11:30 AM11:45 AM
Total
12:00 PM12:15 PM12:30 PM12:45 PM
Total
01:OOPM01:15 PM01:30PM01:45PM
Total
02:00 PM02: 15PM02:30 PM
0 0 1 11 0 0 13 0 0 34 0 0 48 0 1 9
2 0 0 21 0 0 11 0 1 21 0 1 25 0 2 7
2 0 2 45 0 2 72 1 0 32 2 2 6
11 3 6 20
3 0 0 38 0 2 106 0 0 65 2 3 10
22 2 5 29
5 0 9 146 1 3 103 1 7 11
14 2 11 2728 4 30 62
10 5 5 208 0 3 11
10 1 8 195 0 8 13
33 6 24 63
5 0 6 118 0 6 144 0 2 66 1 5 12
23 1 19 43
5 0 8 1310 0 0 102 0 3 54 2 2 8
21 2 13 36
4 0 2 67 1 0 87 0 4 11
0 28 1 290 48 1 490 148 3 1510 185 3 1880 409 8 417
1 182 1 1841 230 4 2352 191 1 1941 193 4 1985 796 10 811
6 154 10 1702 123 14 1395 149 5 1591 139 6 146
14 565 35 614
0 112 13 1252 117 9 1282 127 9 1381 148 15 1645 504 46 555
4 122 13 1392 128 15 1450 120 20 1402 154 26 1828 524 74 606
0 126 11 1373 88 17 1083 117 19 1394 149 13 166
10 480 60 550
1 119 7 1271 91 11 1036 109 12 1274 110 14 128
12 429 44 485
1 104 13 1184 101 9 1143 89 10 1022 104 13 119
10 398 45 453
3 102 9 1140 82 21 1031 75 15 91
0 0 0 00 0 0 02 1 0 30 0 0 02 1 0 3
3 0 1 42 0 2 40 0 3 31 1 2 46 1 8 15
2 0 3 51 1 2 41 0 4 52 1 1 46 2 10 18
3 0 1 41 1 4 60 1 4 52 1 4 76 3 13 22
1 0 3 40 0 1 10 0 1 12 1 1 43 1 6 10
0 1 1 23 2 2 72 0 2 41 0 4 56 3 9 18
3 3 2 82 0 2 43 4 8 155 1 6 12
13 8 18 39
3 0 1 41 1 3 52 2 6 101 2 1 47 5 11 23
0 1 1 28 1 1 102 3 3 8
0 7 0 71 8 0 91 11 0 120 20 1 212 46 1 49
1 27 0 280 25 1 260 21 3 240 25 2 271 98 6 105
1 46 1 482 45 1 481 29 1 311 41 3 455 161 6 172
3 46 0 491 38 4 433 26 2 311 40 2 438 150 8 166
1 67 4 721 50 4 556 60 3 697 71 0 78
15 248 11 274
0 82 3 852 100 2 1042 76 2 803 124 0 1277 382 7 396
4 114 4 1221 122 2 1252 147 2 1515 127 5 137
12 510 13 535
2 146 7 1551 139 3 1430 166 4 1702 149 4 1555 600 18 623
1 176 2 1791 190 1 1921 175 4 180
3759
169213478
218266223231938
227198198201824
181187180224772
229211221291952
244230242311
1027
268246299289
1102
290272287286
1135
301313290
Courtesy WrightwoodCalif.com
County of San BernardinoN/S: Willow StreetE/W: SR-2Weather: Sunny
Counts Unlimited, Inc.25286 Jaclyn Avenue
Moreno Valley, CA 92557(951)485-7934 File Name : CSBW12SAT
Site Code : 10042028Start Date : 2/13/2010Page No : 2
Groups Printed- Total Volume
Start Time02:45 PM
Total
Willow StreetSouthbound
Left Thru4 2
22 3
Right39
App. Total
934
SR-2Westbound
Lefl
37
Thai I Right
93 10352 55
App. Total
106414
Willow StreetNorthbound
Left
111
Thru I Right
0 15 6
App. Total
222
SR-2Eastbound
Left
03
Thru
183724
Right
1
8
App. Total
184735
Int. Total
301
1205
03:00 PM03:1 5PM03:30 PM03:45 PM
Total
04:00 PM04:1 5PM04:30 PM04:45 PM
Total
05:00 PM05:15 PM05:30 PM05:45 PM
Total
Grand TotalApprch %
Total %
3 1 1 53 1 2 66 1 1 85 2 3 10
17 5 7 29
4 1 3 84 1 1 63 0 3 62 1 2 5
13 3 9 25
3 1 1 54 1 2 74 0 2 63 0 0 3
14 2 5 21
217 31 130 37857.4 8.2 34.4
1.8 0.3 1.1 3.1
5 90 16 1114 89 11 1045 69 3 773 76 7 86
17 324 37 378
1 64 12 770 84 12 961 74 6 812 82 4 884 304 34 342
4 109 7 1202 92 4 980 89 10 991 75 0 767 365 21 393
99 5450 469 60181.6 90.6 7.80.8 45 3.9 49.7
5 3 2 101 0 0 13 2 4 94 4 2 10
13 9 8 30
0 1 3 40 1 3 40 3 4 73 1 7 113 6 17 26
3 0 0 34 1 0 51 0 3 43 0 1 4
11 1 4 16
87 45 110 24236 18.6 45.50.7 0.4 0.9 2
1 177 2 1800 210 3 2130 194 3 1974 250 4 2585 831 12 848
0 229 6 2352 230 2 2340 216 4 2201 227 3 2313 902 15 920
2 206 2 2100 174 4 1780 136 2 1380 127 2 1292 643 10 655
68 5295 115 54781.2 96.7 2.10.6 43.7 0.9 45.2
306324291364
1285
324340314335
1313
338288247212
1085
12116
Start Time Left
Willow StreetSouthboundThru | Right | APP. Total
SR-2Westbound
Left Thru Right App. Total
Willow StreetNorthbound
Left | Thru Right App. Total
SR-2Eastbound
Left Thru Right App. Total Int. Total
Peak Hour Analysis From 06:00 AM to 05:45 PM - Peak 1 of 1Peak Hour for Entire Intersection Begins at 03:45 PM
03:45 PM04:00 PM04: 15PM04:30 PM
Total Volume
% App. Total
PHF
5 2 3 104 1 3 84 1 1 63 0 3 6
16 4 10 3053.3 13.3 33.3.800 .500 .833 .750
3 76 7 861 64 12 770 84 12 961 74 6 815 298 37 340
1.5 87.6 10.9.417 .887 .771 .885
4 4 2 100 1 3 40 1 3 40 3 4 74 9 12 25
16 36 48.250 .563 .750 .625
4 250 4 2580 229 6 2352 230 2 2340 216 4 2206 925 16 947
0.6 97.7 1.7.375 .925 .667 .918
364324340314
1342
.922
Courtesy WrightwoodCalif.com
County of San BernardinoN/S: Willow StreetE/W: SR-2Weather: Sunny
Counts Unlimited, Inc.25286 Jaclyn Avenue
Moreno Valley, CA 92557(951)485-7934 File Name : CSBWI2SAT
Site Code : 10042028Start Date : 2/13/2010Page No : 3
Willow StreetOut In Total
Ki \i I fij
liTJ_
Right Thru Left
Peak Hour Data
TNorth
Peak Hour Begins at 03:45 PM
Tnta! Vnlumn
Left Thru Right
Out In TotalWillnw StfRPI
Peak Hour Analysis From 06:00 AM to 05:45 PM - Peak 1 of 1Peak Hour for Each Approach Begins at:
+0 mins.+15 mins.+30 mins.+45 mins.
Total Volume
% App. Total
PHF
10:45 AM
14 2 11 2710 5 5 208 0 3 11
10 1 8 1942 8 27 77
54.5 10.4 35.1.750 .400 .614 .713
07:00 AM
1 182 1 1841 230 4 2352 191 1 1941 193 4 1985 796 10 811
0.6 98.2 1.2.625 .865 .625 .863
12:00 PM
3 3 2 82 0 2 43 4 8 155 1 6 12
13 8 18 3933.3 20.5 46.2.650 .500 .563 .650
03:45 PM
4 250 4 2580 229 6 2352 230 2 2340 216 4 2206 925 16 947
0.6 97.7 1.7.375 .925 .667 .918
Courtesy WrightwoodCalif.com
APPENDIX B: CALCULATIONS
Courtesy WrightwoodCalif.com
Lanes, Volumes, Timings2: Sr-02 & Willow Street 7/19/2010
^ t V I Jyf<SHSXff-'~~'<s. erf™«SgBtsMsfetS&isfc OD:I;» - : .OfcJK
Lane ConfigurationsIdeal Flow;(vphp!) 1700 1700 1700 1700 1700 1700 1700 1700 1700 1700 1700 1700Turning Speed (mph) 15 9 15 9 15 9 15 9Lane Util. Factor 1:00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00^ 1.00 1.00 1.00Frt 0.995 0.980 0.932 0.949Fit Protected ; ; , ; : : - : 0,998":;:-,; : ; ;•: 0:984 0.976Satd. Flow (prot) 0 1658 0 0 1630 0 0 1528 0 0 1544 0FltPermitted ; V: ; :: :- : 0.998 : :" 0.984 ;; y ; : 0:976 :Satd. Flow (perm) 0 1658 0 0 1630 0 0 1528 0 0 1544 0Headway Factor 1.00 1.00 1.00 1.00 1:00 1:00 1.00 1.00 1.00 1.00 1.00 1.00Link Speed (rnph) 30 30 30 30Link Distance {ft) : : ; : - : : • ' . • • ; ^424' -' -, v • : - . . - • ; ; >^868r'; -^--^::r:,--\^.'^43::^:'^'^'-:.''-: 1205Travel Time (s) 32.4 19.7 14.6 27.4VolumeHvph) , ; , - 3 ;467 ^16- 10 ^361 49 c; ^6, ;2 ; X -24: .=;.; 5 15Peak Hour Factor 0.75 0.81 0.67 0.50 0.95 0.72 0.75 0.50 0.58 0.75 0.62 0.62Adj. Flow (vph) 4 577 24 :20 380 68 B;;^^Lane Group Flow (vph) 0 605 0 0 468 0 0 24 0 0 64 0Sign Control ;/; 1 . : • Free ; : „:; y,o ; • :Free i /,-. v - : ;; Stop ; : v ; ; Stop" ;j(f:.
Area Type: OtherControl Type: UnsignalizedIntersection Capacity; Utilization 43:1%Analysis Period (min) 15
ICUJLevel of Service A
Sr-2 & Willow StreetCaltrans
12/12/2009 PM weekend - TWSC Synchro 6 ReportPagel
Courtesy WrightwoodCalif.com
HCM Unsignalized Intersection Capacity Analysis2: Sr-02 & Willow Street 7/19/2010
t A V
Lane ConfigurationsSign ControlGradeVolume (veh/h)Peak Hour FactorHourly flow rate (vph)PedestriansLane Width (ft)Walking Speed (ft/s)Percent BlockageRight turn flare (veh)MedianitypeMedian storage veh)Upstream signal (ft)pX, platoon unblockedvC, conflicting volumevC1 , stage 1 conf volvG2, stage 2;CpnfivolvCu, unblocked voltC, single (s)tC, 2 stage (s)tF(s); - ; _ , , . ;::;;pO queue free %CM capacity (veh/h)
ttfieHli
': 30.75
4
448
4484.1
2:2100
^1112;:
'•"'^r^r ';ii-;:EB%
4*Free
0%4670.81577
160.67
24
- i n /rS i i A »"r-i-r^ ••"L*-'"\" sir-* r-» - • »,-irS I " ' -fe' BFinr"fcWBIaiiffiB^;;;;WBR =:; NBL - -,4* 4»
Free Stop0% 0%
10 361 49 6 20.50 0.95 0.72 0.75 0.50
20 380 68 58 4
• : -V ; : \; 'None
600 : 7 : r 1079 1085
600 1079 1085• 4;T 7.1 ^:5
2.2 3:5 41098 96 98
.977 ;" v ; : : ; • ; :180 -212
:-KIRP QRF- ^RT:-i INDK; .s-.-.ODL-. UO.t3rl>>
4»Stop
0%7 24 5
0.58 0.75 0.6212 32 8
v None
588 1065 1062
588 1065 10626:2 7.1 76;5
3.3 3:5 4.098 83 96
509: 189 ;218
150.62
24
414
414B;2
3.396
:638
DiflsGliolilla ^VolumeTbtalVolume LeftVolume-Right" " : "cSHVolume to CapacityQueue Length 95th (ft)Control Delay (s)Lane LOSApproach Delay (s)Approach LOS
Average Delay
6044
•v. -gjp.1112;0;00:
00.1
A• 0:1;
ifc'g/ i.;
Intersection Capacity UtilizationAnalysis Period (min)
2068;
9770.02
20;6
A
P-6
:248
122760.09
7
C19,3
C
2.0.:.: 43:1%
15
..; -,M... :. • - , :; ::-^ ;;: :.! ;; ; : :v; . : .3224 -
2630:24; , : -. : •
2323:0 ;v-v/ . ;V -"- : ; r -? - ' ; ' : ' - ; " / - 'V- : ;?
C'23:0 --" : : - . - , . , - , • : ; ,
C
^SJfl?;;" '';:- •';'.:*;'' •: •:.-s,j'j~rx^v"£";rTT"J';;3:'PJ
ICU Level of Service
S^Y-^-V:^- • - ~:<f :.::••-'-f-u!.:\- -v,*;ft? :••/.;,'-,>
^ -A/^V:-V.. , , , ; : ; . : . -
Sr-2 & Willow StreetCaltrans
12/12/2009 PM weekend - TWSC Synchro 6 ReportPage 2
Courtesy WrightwoodCalif.com
Lanes, Volumes, Timings2: SR -2 & WILLOW STREET 7/19/2010
t vLane ConfigurationsIdeal Flow (vphpl)Turning Speed (mph)Lane Util. FactorFrtFit Protected : "Satd. Flow (prot)Fit PermittedSatd. Flow (perm)HeadwayiFactor ,Link Speed (mph)Link Distariee;(ft) ^Travel Time (s)Volume (vph)Peak Hour FactorAdjJFIbw;(vph)Lane Group Flow (vph)Sign Control
170015
1.00
0
01 .00
6.38160
&1700
1.000.9970.9991660
0.9991660: 1.00
30142432.4925
0.93995
1035Free
17009
1 .00
0
01:00
160.67
I ^240
170015
1.00
0
01,00
50.42
•12;0
4^1700
1.000.9840.9981637
0.9981637;1.00
3086819.72980.89
Y 335395
;: Free :
17009
1.00
0
01:00
370.77
; 48Y/0
170015
1.00
0
01:00
0.25
b
&1 700
1.000.9550:9841566
0.98415661;00
3064314.6
0.56
48"Stop
17009
1.00
0
01 .00
120.75
160
170015
1.00
0
01.00
160.80
200
4*1 700
1.000.9600.9761562
0.97615621 .00
30120527.4
40.50
840
Stop
17009
1 .00
0
01 .00
100.83
120
AreaType; OtherControl Type: UnsignalizedIntersection Capacity Utilization 70:8%Analysis Period (min) 15
ICUiLeveltofServiceXC
Sr-2 & Willow STreetCaltrans
2/13/2010 PM weekend - TWSC Synchro 6 ReportPage 1
Courtesy WrightwoodCalif.com
HCM Unsignalized Intersection Capacity Analysis2:SR-2 & WILLOW STREET
Movement:;--* . ;-,:&ysiiOKLane ConfigurationsSign ControlGradeVolume (veh/h)Peak Hour FactorHourly flow rate (vph)PedestriansLane Width (ft)Walking Speed (ft/s)Percent BlockageRight turn flare (veh)Median type y ;Median storage veh)Upstream signal (ft)pX, platoon unblockedvC, coriflictingjvolumevC1 , stage 1 conf volvC2, stage 2 conf ivolvCu, unblocked voltC, single;(s) '-':•. VtC, 2 stage (s)tF(s) : :L: :pO queue free %cM capacity (veh/h)
Volume Total ;Volume LeftVolume'Right s -: ::cSHVolume to CapacityQueue Length 95th (ft)Control ;Delay (s)Lane LOSApproach Delay (s)Approach LOS
Average Delay
>
60.38
16
383
3834:1 •
2.299
1176
10341624
1176M;0;i;if
10:4
A0,4
Intersection Capacity UtilizationAnalysis Period (min)
-+fjESjIjR
4*Free0%825
0.93•995
:39512
681:0.02
10;5
A;:0:5
>ifcEBRte
160.67
24
48 . - • ;16
142io;34;;"
3442:7
E42.7
E
2.9^ -'I 70,8% :
15
^ - < A
4»Free0%
5 298 37 40.42 0.89 0.77 0.25
12 335 48 16
1019; ; S; A;, ;;,:: ;1437
1019 14374.1; . 7 . 1
;2:2; '-- ; 3.598 84
681 : - ? : ; : ; ; v;;102-
,40 •:,20
1350.30: ;
29.:42.;7 ', . , " • -' ;,;•; ;;;^ "'; ;.;.:
E42:7'; • • • - ; • • ; ; . ; ' . : / ,;-;;:;;-;•.
E
ICU Level of Service
t: NBT-
4*Stop
0%8
0.5616
None
v1445 i
14456:5
4vO87
•128
7/19/2010
A V 4j ;NBR v SBL SBT
4»Stop
0%12 16 4
0.75 0.80 0.50, 16 20 8
: - - \ • ' - • : '- : ' ;-;:-y^ :: Nona • • •
1007 1445 1433
1007 1445 14336.2 7:1 6:5 •
:3;3 3:5 4.095 78 94
; 292 ;92 ; 130
""TV-:? ';-''S^;'Lt;./-7'':':^''^ ^ '•'-'' ?- ' -^: ' V^'*''
_,-,;gi,; ;,,,.„.,•.:,:•.,..,: v;
f-:m^ ;• ; : ; •; :
V
100.83
12
359
3596.2
3.398
685
sstft^i
Sr-2 & Willow STreetCaltrans
2/13/2010 PM weekend - TWSC Synchro 6 ReportPage 2
Courtesy WrightwoodCalif.com
Lanes, Volumes, Timings2: Sr-02 & Willow Street 7/19/2010
^ tpL. > VV-p. >b-.. • o&l;v
Lane ConfigurationsIdeal Flow (vphpl); /;
Turning Speed (mph)Lane Util. FactorFrtFit Protected;Satd. Flow (prot)Fit Permitted \ ; :Satd. Flow (perm)Headway Factor j ;Link Speed (mph)Link Distance (ft)Travel Time (s)Volume (vph) ; ; /Peak Hour FactorAdj. Flow (vph) -Lane Group Flow (vph)Sign Control
170015
1.00
0
01.00
0.7540
4>1700
1.00
0.995
1658
16581.00"30
142432.4467
0.81577605
stop,;
17009
1.00
0
01.00
0.67*<:24 1
0
170015
1;00
0
01 .00
100.50-::,2o;
0
&1700
.: ^t.OO
0.9800.9981630
0.99816301.00
3086819.73610.95380!468
VStbp
17009
1.00
0
01 .00
490.72
680
mm
170015
1,00
0
0; 1 .00
0.7580
4»1700
1000.9320:9841528
0.98415281:00
306431 4.6
20.50
24;Stop ^
•1.7009
1 .00
0
0
1'°°
f\'-'7- -0.58
120
170015
;-1:00
0
01 .00
240.75
320
&1700
1 .000.9490.9761544
0.97615441.00
30120527.4
50.62
64";Stop (
17009
'1^00
0
01.00
150.62
240
AreaType: Other ;Control Type: UnsignalizedIntersection Capacity Utilization 43:1%Analysis Period (min) 15
1CU Level ofServjce A
Sr-2 & Willow StreetCaltrans
12/12/2009 PM weekend - AWTC Synchro 6 ReportPage 1
Courtesy WrightwoodCalif.com
HCM Unsignalized Intersection Capacity Analysis2: Sr-02 & Willow Street
> -* > <
7/19/2010
*- < <s t /* v \Lane ConfigurationsSign ControlVolume (vph)Peak Hour FactorHourly flow rate (vph)
Volume Total (vph)Volume:Left (vph) ; :Volume Right (vph)Had] (s) : v v ;Departure Headway (s)Degree Utilization, xCapacity (veh/h)Control Delay (s)Approach Delay (s)Approach LOS .:
3075
4
uESjS604
424
0.014.8
0.80737
24/124.1
4*Stop467
0.81577
4682068
-0:04
4.90.6372315.915.9
160.67
24
248
12-0.20
6.40.045029.6:9.6
A
»
100.50
20
1643224
-0.09,6.3
0.1 1510
: 10.110.1
/r:;,;B.;..:
4» *^ 4»Stop Stop Stop361 49 6 2 7 24 5 15
0.95 0.72 0.75 0.50 0.58 0.75 0.62 0.62380 68 8 4 12 32 8 24
• - - , , • .;-.<., v.v.,-^.w,:;r::,v«».:V :i^:.,. •-..,> :••.., . : •-••••_ .-•-.•••_-.. •,-:•. •.<_• -/iV:,,;^., =.-',:.,-
Delay?;;: :.: : • r: ..;:/ • ' : . - " / " : . x = . ; • ; • .1-9:7:;-;;;;•;- v :r^:--:/r:':::.;.HCM Level of Service CIntersection Capacity-Utilization 43.1%: IGU Level of ServiceAnalysis Period (min) 15
Sr-2 & Willow StreetCaltrans
12/12/2009 PM weekend - AWTC Synchro 6 ReportPage 2
Courtesy WrightwoodCalif.com
Lanes, Volumes, Timings2: SR -2 & WILLOW STREET 7/19/2010
t V V
Lane ConfigurationsIdeal Flow (vphpl)Turning Speed (rLane Util, FactorFrtFit/ProtectedSatd. Flow (prot)Fit PermittedSatd. Flow (perm)Headway FactorLink Speed (mph)Link Distance (ft)Travel Time (s)Volume (vph)Peak Hour FactorAdj. Flow (vph)Lane GroupSign Control
ipl) 1700(mph) 15
or 1.00
)t) 0
•m) 0DP 1.00Ph)ft);.I•:.^: . , '.:. U 6tor 0.38IS P 16)w (vph) 0
1700
i ;oo0.9970.9991660
:0.99916601.00
30142432.49250.93995
1035Stop
17009
1.00
0
01.00
r160.67
240
170015
1.00
0
01 .00
50.42
120
1700
1 .000.9840.9981637
0;99816371.00
3086819.72980.89335395
Stop
17009
1.00
0
0; 1.00
370.77:; 48,
0
170015
1 .00
0
01.00
0.25"160
1700
1,000.9550.9841566
0.98415661.00
3064314.6
90.56
1648
;;stop
17009
1.00
0
01.00
120.75
160
170015
1.00
0
01:00
160.80
200
1700
1:000.9600.9761562
0.97615621.00
30120527.4
40.50
840
Stqp
17009
1;00
0
01.00
100.83
120
Area Type: OtherControl Type: UnsignalizedIntersection Capacity Utilization 70;8%Analysis Period (min) 15
ICU Level of Service,
Sr-2 & Willow StreetCaltrans
2/13/2010 PM weekend - AWSC Synchro 6 ReportPagel
Courtesy WrightwoodCalif.com
HCM Unsignalized Intersection Capacity Analysis2:SR-2 & WILLOW STREET 7/19/2010
t 1
Lane ConfigurationsSign ControlVolume (vph)Peak Hour FactorHourly flow rate (vph)
m^^^^^.'Ki'Sl'^.^:;:::^Volume Total (vph)Volume Left (vph)Volume Right (vph)Hadjis) HDeparture Headway (s)Degree Utilization, xCapacity (veh/h)Control Delay (s): /Approach Delay (s)Approach LOS
Delay/-; ;HCM Level of Service
60.38
16
10341624
0:024.7
1.36755
184:4184.4
4*Stop925
0.93995
s^r*rT~"y'
"IF0.67
24
3951248
-o;03^5.0
0.55708i4;d14.0
Intersection Capacijty UtilizationAnalysis Period (min)
48: • ' . ; • 16 :
16-0.10
6.50.0952110:110.1
. • B
IlllilF '
70i8%15
missmmi, ;,WBRE; ;NBLS;NBK; ; WK^ SBLUTSBTSjiLi 4X4 fX^
Stop Stop Stop5 298 37 4 9 12 16 4
0.42 0.89 0.-77 0.25 0.56 0.75 0.80 0.5012 335 48 16 16 16 20 8
•' r«:iry W"' -~^"Z'^."""-'^'''^'-~ -••T.ii:T>T-s-i-^~"--:-.iv^ ^~::^.^^;?:-^''-'"':-jy::"^'--'-^-~.^r-r;fr..-'^.--:~^'^-'- i'. :T~-~^ i t ^^. >j-rri T , ">•--- •- .". --<:• --: •,= .-. - . , ; . " , ."-••_,",'.;•_: •- -; <. • •••"---' •- • ; " - • • - - - ; - - - - • - - *-...?,.;--,.-:, •-• .-.;. ;-;.-;• ; :" • - - - - -°*-J ,1: ...-,-.-.-. _ - > - • - . . • - - • _ .-,:.- ------- -. .- : .— . ' \ _-. "-."- - -!;- ..-:-. -: --' - ' ^ .-:- ^V";;.. ._ . ?;
40•^•20 - v: ,:-;,:•; >v>:.-'. •:'.;•: ;%; "••• :• !. • /- \ .,-K- •';,•: ':.\'-- , ,:-,' r-
12-0.05 •; : :^;v;;v :: ": - - ' • :. ';, : ' : ; " ; • : : " " : . :
6.6Oi07 : • - . - - , : - -:•-'•••' :; • -• - . . ,V.-: :. - - ; • .•.,<•• :r^-f-:50910.1 . :::^:-:!:':^ "-:.:::•';-•, •; if -- : -:.v\ /:;: :. :Tii .:;:•.10.1
ICUiLeveliofiServiceJfs x vc
agSi
100.83
12
Sr-2 & Willow StreetCaltrans
2/13/2010 PM weekend - AWSC Synchro 6 ReportPage 2
Courtesy WrightwoodCalif.com