What is the total delay for cycle

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Reference no: EM131142200

A signal approach has 20 seconds of displayed green, 4 seconds of yellow, and 3 seconds of all red (start-up lost time and clearance times are typical). The cycle length is 60 seconds. At the beginning of an effective red there are no vehicles in queue and vehicles arrive at three-quarters of the saturation flow rate for 30 seconds.

Then there is zero flow for 10 seconds, and then one-half of the saturation flow rate from 40 seconds until the end of the cycle.

What is the total delay for this cycle if the saturation flow rate is 1400 veh/h? (Assume D/D/1 queuing.)

Reference no: EM131142200

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