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Social ScienceTRANSPORTATION ENGINEERING-TRAFFIC SIGNALS"Recent analysis at an approach to pre-time signalized intersection indicate that the volume-to-capacity ratio (v/c) is 0.8, htat saturation flow rate (s) is 1600 vehicles/hour, and the effective green time is 50 seconds. If the average delay, assuming D/D/1 is 11.25 seconds per vehicle, determine the arrival flow rate (vehicles/hour) and the cycle length.
TRANSPORTATION ENGINEERING-TRAFFIC SIGNALS"
Recent analysis at an approach to pre-time signalized intersection indicate that the volume-to-capacity ratio (v/c) is 0.8, htat saturation flow rate (s) is 1600 vehicles/hour, and the effective green time is 50 seconds. If the average delay, assuming D/D/1 is 11.25 seconds per vehicle, determine the arrival flow rate (vehicles/hour) and the cycle length.
Expert Answer
Given data:
The volume to capacity ratio (v/c) is 0.8.
The saturate flow rate (s) is 1600 vehicles/hour.
The effective green time (gi) is 50 seconds.
The average delay is 11.25 seconds per vehicle.
The departure rate is given by,
Image Transcriptionclose
1V Departure rate =-xs c
Plugging val...
Image Transcriptionclose
Departure rate 0.8 x 1 600 vehicle/hour 1 vehicle/sec 3600 vehicle/hour 1280 vehicle/hourx- 0.38 vehicle/sec
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