The area on an entrance ramp where you increase speed to that of expressway traffic is the <u>acceleration lane.</u>
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So the correct option is (D) that is acceleration lane.
A section or lane of adjustment for speed that has extra flooring on the borders of the lanes of traffic to let vehicles to accelerate until they merge with the flow of traffic.
Drivers must reach the posted speed limit before entering the acceleration lane, signal, locate a gap in traffic, and then merge.
Drivers can accelerate or decelerate in an area not being used by high-speed through traffic by using acceleration/deceleration lanes, also known as speed-change lanes or auxiliary lanes. The abrupt change in pace can result in stop-and-go traffic, crashes, and other problems on freeways and some major streets. These issues can be reduced by including acceleration/deceleration lanes in the roadway design.
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