F81: Advance warning sign announcing a detour
Category : Indication signs
F81 - Advance warning sign announcing a detour. Indicates that a detour device (local diversion, obstacle or roadwork bypass) is approaching. Follow the dynamic signage in place.
What to know about this type of sign
Learn every sign of the Belgian highway code and its exact meaning. Essential to pass the theory exam: signs are the most tested topic.
- Danger (triangle) Red triangle: warns of a hazard ahead - bend, crossing, works, slippery road. Slow down.
- Prohibition & obligation Round signs: prohibition (red border) or obligation (blue background).
- Priority & information Priority signs (give way, stop, priority road) and information signs (blue).
Read the full guide : All Belgian road signs
Take the free Belgian theory test
Other road signs
- F83: Advance warning sign indicating a crossing of the central reservation
- F85: Two-way traffic permitted on a one-way road section
- F87: Raised device(s)
- F89: Advance warning signal announcing a hazard or regulation specific to…
- F9: Motorway for automobiles
- F91: Signal indicating a danger or prescribing a regulation that applies…
- F93: Radio station broadcasting traffic information
- F95: Emergency escape lane