Symbolic warning signs
Truck Crossing (W56)

Look out for trucks that could force you to slow down. Slow down and look out for trucks that want to cross or join the road. Also look out for anything spilt or dropped on the road by the trucks like gravel, sand or water that could affect the handling of your vehicle.
Where
On any road.
Purpose
To warn that heavy vehicles regularly cross or join the road from the left or right.
Action
Look out for trucks that could force you to slow down. Slow down and look out for trucks that want to cross or join the road. Also look out for anything spilt or dropped on the road by the trucks like gravel, sand or water that could affect the handling of your vehicle.
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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)