Symbolic warning signs
Grader Working (W50)

Slow down and drive slowly past the grader. The full width of the road may not be available and there could be sand or gravel on the carriageway that could affect the handling of their vehicles.
Where
On any road.
Purpose
To warn that a grader is working on the carriageway ahead.
Action
Slow down and drive slowly past the grader. The full width of the road may not be available and there could be sand or gravel on the carriageway that could affect the handling of their vehicles.
Can you spot this sign under exam pressure?
Take 10 real learners questions free — no account needed. K53 Examiner then gives you every past paper, full mock exams and the complete study guide.
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)