Great Britain Theory Test Coach
Road markings and lightsQuestion 102 of 424

A driver ahead shows hazard warning lights. What may this mean?

  1. Traffic is held up or there is a hazard ahead
  2. The driver is about to turn left
  3. The driver is about to park
  4. The driver lets you overtake
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Correct answer: Traffic is held up or there is a hazard ahead

Hazard lights warn that the driver is temporarily blocking traffic, or that a hazard is ahead.

Source: The Highway Code (Department for Transport, GOV.UK), Signals to other road users, Hazard lights

Practice road markings and lights

Questions last reviewed: 18 October 2026