試題詳解

256 Prior to merging into the main traffic lane of a freeway or expressway, drivers:
(A) are required to decelerate on the acceleration ramp and verify it is safe before they merge into the main lane of traffic.
(B) Turn on their left turn signal and go ahead and merge into the main lane of traffic.
(C) accelerate on the acceleration ramp and verify it's safe before merging into the main lane of traffic.