F21: Passage authorised to the right or left of an obstacle
Category : Indication signs

F21 - Passage authorised to the right or left of an obstacle. The sign indicates which side to go around an island or obstacle in the middle of the roadway. Choose the side in accordance with the arrow.
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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