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Question:

To avoid causing a rear-end collision, you must maintain at least a _________ following distance.

A
Explaination

Though Kentucky state law does not require it, the Kentucky Driver Manual recommends a following distance of at least 3 seconds under ideal conditions. If the vehicle in front of you stops short, you may collide with it if you are closer than 2.5 seconds to it. You should increase your following distance in poor weather or on slippery roads.