Highway drivingQuestion 205 of 235
Top view of a highway. A vehicle is on the shoulder. Triangles are behind it. A red area beside it is marked DO NOT WAIT IN THIS AREA. People wait behind the vehicle, on the grass

A vehicle breaks down in a dangerous place on a highway. How far apart do you put the reflective triangles behind it?

  1. About 1 to 2 metres apart
  2. About 30 to 40 metres apart
  3. About 10 to 20 metres apart
  4. About 50 to 60 metres apart
Show answer

Correct answer: About 10 to 20 metres apart

Triangles warn other drivers early. Put them behind the vehicle, 10 to 20 metres apart.

Source: Driver’s Guide: Cars and Light Trucks (Government of Alberta, Spring 2026), Vehicle mechanical problems, page 82

Practice highway driving

Questions last reviewed: 18 October 2026