2026 Alabama Passenger CDL Practice Test 4

Which of these statements about speed management and braking is true?

You need about four times as much braking distance at 40 mph as at 20 mph. The total stopping distance of a bus is the distance it takes to stop once the brakes are applied. Stopping time increases by one second for each 10 mph over 20 mph. The posted speed limit will always allow you to stop safely.

Correct Answer:

You need about four times as much braking distance at 40 mph as at 20 mph.

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