CDL · Following distance

Below 40 mph, a common rule ties your minimum following distance to the length of your vehicle. What minimum does that rule call for?

Correct answer: One second for every 10 feet of length.

Answer options

  1. AOne second for every 20 feet of length
  2. BOne second for every 10 feet of length Correct
  3. CTwo seconds for every 10 feet of length

Why

When traveling slower than 40 mph, leave at least one second of following time for each 10 feet your vehicle measures. For example, a 40-foot truck needs a minimum of 4 seconds, and a 60-foot rig needs 6.

About this question

Topic: Following distance   License: CDL

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Where it applies: Asked in every state.

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