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Sub-problem 4c - Page 2 of 7

ID# C404C02

Sub-problem 4c: Peak Operational Analysis of Alternate Route 7

Step 2. Results

Exhibit 4-72 shows the results for the time period 1. Study these results carefully.

Exhibit 4-72. Performance by Location for the First 15 Minutes of PM Peak Period
Section (Time Period 1) S01 S02 S03 S04 S05 S06 S07 S08 S09 S10 S11
Length (ft) 3,675 670 1,025 775 1,890 10,900 1,500 3,100 1,115 1,500 2,000
Number of lanes 2 4 2 4 3 2 2 2 2 4 4
Type (B,W, ONR, OFR) B W B ONR B B OFR B ONR ONR B
Free flow speed (mph) 55 55 55 55 55 55 55 55 55 55 55
Speed (mph) 55.0 53.7 54.7 54.9 55.0 55.0 50.0 54.9 50.7 54.5 55.0
Density (veh/mi/ln) 8.0 11.1 10.3 11.4 14.8 22.2 22.5 15.5 18.8 14.5 14.1
Segment Capacity (vph) 4,375 7,180 4,375 8,750 6,565 4,375 4,375 4,375 4,375 8,750 8,750
Level of Service A B B B B C C B C B B
Segment Demand (vph) 875 2,375 1,125 2,440 2,440 2,440 2,440 1,700 1,925 3,105 3,105
Segment Volume (vph) 875 2,375 1,125 2,440 2,440 2,440 2,440 1,700 1,925 3,105 3,105
d/c ratio 0.20 0.33 0.26 0.28 0.37 0.56 0.56 0.39 0.44 0.35 0.35
v/c ratio 0.20 0.33 0.26 0.28 0.37 0.56 0.56 0.39 0.44 0.35 0.35

Discussion:
What are the key points from the results in time period 1? What parameters are important in evaluating the operation of the freeway system? When you are ready to review the results of this analysis, proceed to the next page.

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