Risk of fog ahead
Warning of risk of fog ahead. This sign is common on low-lying valleys and exposed motorways. In the theory test it tests your awareness of visibility hazards and the need to reduce speed and increase stopping distance. Always use fog lights if necessary.
- Diagram reference
- 6011.0
Where you'll see this sign
Low-lying valleys and exposed motorways.
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.
