Light signal conveying the prohibition that vehicular traffic may not proceed along the lane directly beneath the signal (gantry-mounted)
Gantry-mounted red light showing the lane below is closed. This sign is common on smart motorways. In the theory test it tests your understanding of lane control signals and the need to obey the red 'X'. Always move out of the closed lane immediately.
- Diagram reference
- 6031.1
Where you'll see this sign
Smart motorways.
Test yourself on UK road signs
How well do you really know your road signs? New Driver Hub's free mock theory test pulls from official-style DVSA questions and tells you which signs you keep getting wrong.
