Free Flow Speed (u_f) Explained | GATE Civil Engineering 2015 Traffic Question 31

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Civil Engineering > GATE 2015 SET-1 > Traffic Engineering

Which of the following statements CANNOT be used to describe free flow speed (u_f) of a traffic stream?

A

u_f is the speed when flow is negligible.

B

u_f is the speed when density is negligible.

C

u_f is affected by geometry and surface conditions of the road.

D

u_f is the speed at which flow is maximum and density is optimum.

Correct : d

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