Maximum headroom of 4.4m at hazard ahead
Warning of maximum headroom of 4.4 metres at a hazard ahead. This sign is common at low bridges and tunnels. In the theory test it tests your awareness of height restrictions and the need to check your vehicle’s height. Always find an alternative route if your vehicle is too tall.
- Shape
- Triangular
- Background
- White
- Border
- Red
- Text type
- Number (Other)
- Primary symbol
- Other
- Diagram reference
- 530M
Where you'll see this sign
Low bridges and tunnels.
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.
