Rules of the roadQuestion 151 of 424

The traffic lights are green. When should you drive forward?

  1. Always, as soon as the light is green
  2. If there is room to clear the junction
  3. Only if no one is on the crossing
  4. Only if the vehicle ahead moves first
Show answer

Correct answer: If there is room to clear the junction

Do not enter the junction if you would be stuck in it. Go only if there is room to clear it.

Source: The Highway Code (Department for Transport, GOV.UK), Using the road (159 to 203), Rule 176

Practice rules of the road

Questions last reviewed: 18 October 2026