Great Britain Theory Test Coach
Road markings and lightsQuestion 97 of 424
A black square with a red diagonal cross

What does this signal over your lane mean?

  1. The lane is for buses only
  2. The lane is open but has a lower speed limit
  3. The lane is for slow vehicles
  4. The lane is closed to you
Show answer

Correct answer: The lane is closed to you

A red cross over a lane means the lane is closed to traffic that faces the sign.

Source: The Highway Code (Department for Transport, GOV.UK), Light signals controlling traffic, Lane control signals

Practice road markings and lights

Questions last reviewed: 18 October 2026