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Exhibit 3-30. TWSC Analysis with a Normal Urban Intersection Treatment |
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|
Assumed Parameters |
Movement |
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|
Input Data |
EBT |
WBT |
NBL |
WBL |
NBR |
|
Volume (vph) |
2,010 |
358 |
257 |
120 |
433 |
|
Number of lanes |
2 |
2 |
1 |
1 |
1 |
|
Median storage (vehicles) |
N/A |
N/A |
4 |
N/A |
N/A |
|
Percent trucks |
|
|
20 |
41 |
10 |
|
Analysis Results |
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|
Critical gap (sec) |
N/A |
N/A |
7.2 |
4.9 |
7.1 |
|
Follow up time (sec) |
N/A |
N/A |
3.7 |
2.6 |
3.4 |
|
Adjusted flow rate (vph) |
2010 |
358 |
257 |
120 |
433 |
|
Adjusted capacity (vph) |
N/A |
N/A |
69 |
168 |
226 |
|
v/c ratio |
N/A |
N/A |
3.72 |
0.71 |
1.92 |
|
95% queue length (veh) |
N/A |
N/A |
27.1 |
4.4 |
31.1 |
|
Delay (sev/veh) |
N/A |
N/A |
??? |
67 |
464 |
|
LOS |
N/A |
N/A |
F |
F |
F |
|
Simplifying Assumptions Analysis period=15 min No pedestrians No upstream signals PHF = 0.93 for all movements Level Terrain |
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