F23d: Number of a ring road
Category : Indication signs
F23d - Number of a ring road. Identifies a road ring around an urban area (for example R0 around Brussels, R3 around Charleroi). Facilitates navigation in dense urban areas.
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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