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A traffic signal has a 60-second cycle length. For the travel direction of interest, the effective red and green times are 30 seconds each, the

A traffic signal has a 60-second cycle length. For the travel direction of interest, the effective red and green times are 30 seconds each, the arrival rate is constant at 20 vehs/min and the saturation flow (i.e., the queue discharge rate) is 1 veh/sec.

Calculate the average delay for the travel direction of interest.

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