Road narrows on both sides ahead
Warning that the road narrows on both sides ahead. This sign is common at bridges, tunnels, and narrow sections. In the theory test it tests your awareness of narrowing hazards and the need to reduce speed. Always look well ahead and be prepared to stop or change lane.
- Shape
- Triangular
- Background
- White
- Border
- Red
- Primary symbol
- Other
- Diagram reference
- 516.0
Where you'll see this sign
Bridges, tunnels, and narrow sections.
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.
