Road narrows on left ahead
A red triangle showing a narrowing on the left only. Move toward the centre of your lane and don't try to pass cyclists or pedestrians on the narrow side.
- Shape
- Triangular
- Background
- White
- Border
- Red
- Primary symbol
- Other
- Diagram reference
- 517.0
Where you'll see this sign
Where parking bays appear, where traffic islands push the lane in, and on approaches to bridges with single-side widening.
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