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An intersection approach the normal flow rate is 1000 vehicles per hour and saturation flow rate is 2800 vehicles

per hour, optimum signal cycle length is 90 sec, green ratio for the given approach road is 0.55. what is the critical capacity of the approach and average delay per vehicle under this conditions.

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Traffic Flow rate.jpg

Normal flow, q = 10oo veh/hy
Saturation flow, S = 2800 uch/hr
Co = 90 sec
The capacity of the road = saturation flowx Green ratio
C = SX ( re)
= 2800X0'55
= 1540 PCU/hr
Green ratio =
g =...

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