Road narrows on left ahead
Warning that the road narrows on the left ahead. This sign is common in sections with parking bays or islands on the left. 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
- 517.0
Where you'll see this sign
Sections with parking bays or islands on the left.
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.
