a freeway interchange does not have *\n a bridge or tunnel\n a crossing traffic separated by grade…

a freeway interchange does not have *\n a bridge or tunnel\n a crossing traffic separated by grade elevation\n entrance ramps and acceleration lanes\n an exit ramp meter to control exiting traffic

a freeway interchange does not have *\n a bridge or tunnel\n a crossing traffic separated by grade elevation\n entrance ramps and acceleration lanes\n an exit ramp meter to control exiting traffic

Answer

Brief Explanations:

A freeway interchange often has a bridge or tunnel for grade - separated traffic, entrance ramps and acceleration lanes to merge traffic, and may have a crossing traffic separated by grade elevation. However, an exit ramp meter is mainly used to control the flow of vehicles entering the freeway from an on - ramp, not for controlling exiting traffic.

Answer:

D. an exit ramp meter to control exiting traffic