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Sub-problem 4b - Page 3 of 6 |
ID# C404B03 |
Sub-problem 4b: Off-Peak Operational Analysis
of Alternate Route 7
Step 2. Results
The HCM freeway facility analysis produces a sizable amount
of data. Exhibits 4-67 and 4-68 provides a summary of some of the key output
data for the eastbound and the
westbound sections respectively.
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Exhibit 4-67. Eastbound Freeway
Facility
Analysis
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Eastbound
Facility |
S01 |
S02 |
S03 |
S04 |
S05 |
S06 |
S07 |
S08 |
S09 |
S10 |
S11 |
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Type (B,W, ONR,OFR) |
B |
W |
B |
ONR |
B |
B |
OFR |
B |
ONR |
ONR |
B |
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Length (ft) |
3,675 |
670 |
1,025 |
775 |
1,890 |
10,900 |
1,500 |
3,100 |
1,115 |
1,500 |
2,000 |
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Number of lanes |
2 |
4 |
2 |
4 |
3 |
2 |
2 |
2 |
2 |
4 |
4 |
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Free flow speed (mph) |
55 |
55 |
55 |
55 |
55 |
55 |
55 |
55 |
55 |
55 |
55 |
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Speed (mph) |
55.0 |
27.9 |
48.1 |
53.4 |
54.8 |
55.0 |
49.9 |
54.9 |
50.8 |
54.5 |
55.0 |
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Density (veh/mi/ln) |
10.0 |
35.3 |
7.6 |
10.8 |
14.4 |
21.6 |
21.8 |
13.7 |
17.8 |
15.0 |
14.8 |
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Segment Capacity (vph) |
4,375 |
4,100 |
4,375 |
8,750 |
6,565 |
4,375 |
4,375 |
4,375 |
4,375 |
8,750 |
8,750 |
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Segment Demand (vph) |
1,095 |
3,930 |
895 |
2,540 |
2,540 |
2,540 |
2,540 |
1,610 |
1,890 |
3,365 |
3,365 |
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Segment Volume (vph) |
1,095 |
3,930 |
895 |
2,540 |
2,540 |
2,540 |
2,540 |
1,610 |
1,890 |
3,365 |
3,365 |
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d/c ratio |
0.25 |
0.96 |
0.20 |
0.29 |
0.39 |
0.58 |
0.58 |
0.37 |
0.43 |
0.38 |
0.38 |
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v/c ratio |
0.25 |
0.78 |
0.17 |
0.27 |
0.36 |
0.54 |
0.54 |
0.34 |
0.41 |
0.37 |
0.37 |
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On-Ramp Demand (vph) |
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2,835 |
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1,645 |
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280 |
1,470 |
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On-Ramp Volume (vph) |
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2,100 |
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1,645 |
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280 |
1,470 |
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On-Ramp Delay (veh-hrs of delay) |
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23 |
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0 |
0 |
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On-Ramp Queue Length (ft) |
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22,000 |
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0 |
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0 |
0 |
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Off-Ramp Demand (vph) |
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3,035 |
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930 |
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Off-Ramp Volume (vph) |
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2,470 |
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865 |
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Vehicle LOS |
B |
E |
A |
B |
B |
C |
C |
B |
B |
B |
B |
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