What it means
Temporary Prohibition: Only construction or specifically authorized vehicles are allowed in this area.
What to do
- If your vehicle class is not authorised, turn off before the restriction.
- Emergency services with lawful authority are exempt; you are not.
- Conditions have changed here: obey this temporary sign even where it contradicts the permanent signs you know.
In the K53 test
Yellow background means temporary: it overrides the permanent version wherever they disagree. Red circle with a bar over the symbol: not specifically authorised is banned here. The test checks whether you read WHICH road user the circle bans.
Where you will see it
Where the road is closed to general traffic without special authorisation.
