Great Britain Theory Test Coach
Road markings and lightsQuestion 98 of 424
A black square with a green arrow pointing down

What does this signal over your lane mean?

  1. The lane is open to you
  2. The lane is closed
  3. You must change lane
  4. The lane is for emergency vehicles
Show answer

Correct answer: The lane is open to you

A green arrow shows a lane that traffic facing the sign may use.

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