Blasting danger ahead
Warning of quarry blasting or controlled explosions ahead. Slow down and be ready for sudden loud noise or flying debris. This sign is common on roads near active quarries or construction sites. In the theory test it tests your awareness of temporary hazards and the need to reduce speed. Always look well ahead and be prepared to stop if necessary.
- Shape
- Rectangular
- Background
- White
- Border
- Grey/Black
- Text type
- Other
- Diagram reference
- 563.0
Where you'll see this sign
Roads near active quarries or construction sites.
Test yourself on UK road signs
How well do you really know your road signs? New Driver Hub's free mock theory test pulls from official-style DVSA questions and tells you which signs you keep getting wrong.
