Symbolic warning signs
Road narrows from both sides (W43)

Slow down and adjust your position on the carriageway since oncoming vehicles will pass close to you.
Where
On any road.
Purpose
To warn that the road ahead narrows from both sides.
Action
Slow down and adjust your position on the carriageway since oncoming vehicles will pass close to you.
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Other symbolic warning signs
- Traffic signals ahead (W22)
- Traffic control “YIELD” ahead (W23)
- Traffic control ahead (W24)
- Scholar patrol ahead (W25)
- Pedestrian crossing (W26)
- Pedestrians (W27)
- Children (W28)
- Pedal Cyclists (W29)