F15: Mandatory direction sign
Category : Indication signs

F15 - Mandatory direction sign. Indicates the precise direction you must take according to your destination (often near an intersection or slip road). Follow the arrow corresponding to your route.
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
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Other road signs
- F17: Indication of traffic lanes with one reserved for buses
- F18: Indication of a special site passable and reserved for regular public…
- F19: One-way street
- F1a: Beginning of a built-up area
- F1b: Beginning of built-up area (alternative format)
- F21: Passage authorised to the right or left of an obstacle
- F23a: Number of an ordinary road
- F23b: Motorway number