Safe drivingQuestion 227 of 235

You stop on a hill behind a large truck. Why do you leave extra space in front of your vehicle?

  1. The truck may roll back when the driver releases the brakes.
  2. The truck must turn left.
  3. Its brake lights are hard to see in the sun.
  4. The truck uses a different road.
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Correct answer: The truck may roll back when the driver releases the brakes.

A large vehicle can move backward on a hill when its brakes are released. Extra space protects your vehicle.

Source: Driver’s Guide: Cars and Light Trucks (Government of Alberta, Spring 2026), Commercial vehicles, page 101

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Questions last reviewed: 18 October 2026