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Colorado Class R Knowledge Practice Test
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Passing target: 80% (24/30)
Observation, Speed & SpaceStandalone practice
What three parts make up total stopping distance?
Correct answer: Perception distance, reaction distance, and braking distance.
Why
A vehicle keeps moving while the driver perceives and reacts, then needs additional distance for the brakes to stop it.
Verified against Colorado Driver Handbook · Parts of stopping distance · p. 15
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