Symbolic warning signs
Loose Stones (W51)

Slow down and be aware that oncoming vehicles could throw up stones that could cause damage. Your vehicle’s braking and turning capacity could also be affected negatively.
Where
On any road.
Purpose
To warn that there are loose stones or gravel on the road.
Action
Slow down and be aware that oncoming vehicles could throw up stones that could cause damage. Your vehicle’s braking and turning capacity could also be affected negatively.
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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)