CDL · Defensive driving

When driving a truck, how far ahead should you scan, measured in seconds of travel?

Correct answer: 12 to 15 seconds.

Answer options

  1. A6 to 8 seconds
  2. B12 to 15 seconds Correct
  3. C1 to 2 seconds

Why

Commercial drivers should look 12 to 15 seconds ahead, roughly one block at city speeds and about a quarter mile at highway speeds. Looking that far down the road gives the driver of a large, slow-stopping vehicle time to spot problems and change lanes or slow down smoothly.

About this question

Topic: Defensive driving   License: CDL

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Where it applies: Asked in every state.

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