Road unsuitable for long vehicles
Road is unsuitable for long vehicles. This sign is common on narrow or tight-turn roads. In the theory test it tests your awareness of vehicle-specific restrictions and the need to find an alternative route for long vehicles. Always obey the sign to avoid damage or a blockage.
- Shape
- Rectangular
- Background
- Blue
- Border
- White
- Text type
- Vehicle
- Diagram reference
- 820.0
Where you'll see this sign
Narrow or tight-turn roads.
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.
