Practice question

What is total stopping distance made of?

  1. Perception distance, reaction distance, and braking distance
  2. Only the length of the vehicle
  3. Mirror distance and lane distance
  4. The distance from the cab to the trailer axle

Answer: A — Perception distance, reaction distance, and braking distance

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Practice more: DC CDL General Knowledge Practice Questions - District of Columbia Commercial Driver License General Knowledge Test Exam →