Civil Engineering > GATE 2017 SET-1 > Transportation Engineering
The queue length (in number of vehicles) versus time (in seconds) plot for an approach to a signalized intersection with the cycle length of 96 seconds is shown in the figure (not drawn to scale).
At time t = 0, the light has just turned red. The effective green time is 36 seconds, during which vehicles discharge at the saturation flow rate, s (in vph). Vehicles arrive at a uniform rate, v (in vph), throughout the cycle. Which one of the following statements is TRUE?
A
v = 600 vph, and for this cycle, the average stopped delay per vehicle = 30 seconds
B
s = 1800 vph, and for this cycle, the average stopped delay per vehicle = 28.125 seconds
C
v = 600 vph, and for this cycle, the average stopped delay per vehicle = 45 seconds
D
s = 1200 vph, and for this cycle, the average stopped delay per vehicle = 28.125 seconds

Correct : b

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