A single lane unidirectional highway has a design speed of 65 kmph. The perception-brake-reaction time of drivers is 2.5 seconds and the average length of vehicles is 5 m. The coefficient of longitudinal friction of the pavement is 0.4. The capacity of this road in terms of vehicles per hour per lane is.

A single lane unidirectional highway has a design speed of 65 kmph. Th

1.	A single lane unidirectional highway has a design speed of 65 kmph. The perception-brake-reaction time of drivers is 2.5 seconds and the average length of vehicles is 5 m. The coefficient of longitudinal friction of the pavement is 0.4. The capacity of this road in terms of vehicles per hour per lane is.
A.	1440
B.	750
C.	710
D.	680
Answer» D. 680

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