Prince Edward Island Knowledge Test Coach
Speed and spaceQuestion 179 of 312

What is the normal safe following distance behind another vehicle?

  1. One second
  2. At least three seconds
  3. Two car lengths
  4. Five metres
Show answer

Correct answer: At least three seconds

Time gaps work at any speed. Three seconds gives most drivers enough room to stop in normal conditions.

Source: Prince Edward Island Driver's Handbook (revised spring 2011), Chapter 4, Following distances: the time-interval formula, page 86

Practice speed and space

Questions last reviewed: 18 October 2026