CDL · Following distance

You are driving at 50 mph in a vehicle that is 40 feet long, on dry pavement with good visibility. What is the smallest following distance you should allow?

Correct answer: 5 seconds.

Answer options

  1. A2 seconds
  2. B5 seconds Correct
  3. C4 seconds

Why

Allow one second for every 10 feet of vehicle length, which gives 4 seconds for 40 feet, and add one more second because you are going faster than 40 mph.

About this question

Topic: Following distance   License: CDL

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Where it applies: Asked in every state.

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