Great Britain Theory Test Coach
Rules of the roadQuestion 147 of 424

When must you not enter a yellow box junction?

  1. When the traffic light is red
  2. When your exit road or lane is not clear
  3. When you want to turn left
  4. When another car is behind you
Show answer

Correct answer: When your exit road or lane is not clear

Enter the box only when your way out is clear.

Source: The Highway Code (Department for Transport, GOV.UK), Using the road (159 to 203), Rule 174

Practice rules of the road

Questions last reviewed: 18 October 2026