F23b: Motorway number
Category : Indication signs
F23b - Motorway number. Identifies a Belgian motorway, for example A4. Displayed in white on a green background. Easy to spot to verify you are on the correct motorway.
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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