Speed and spaceQuestion 184 of 312

A driver reacts in the average time. About how far does a car at 50 km/h travel before the driver starts to brake?

  1. About 2 metres
  2. About 30 metres
  3. About 10 metres
  4. About 50 metres
Show answer

Correct answer: About 10 metres

Reaction time is about three-quarters of a second. The car keeps moving at full speed in that time.

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

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Questions last reviewed: 18 October 2026