A31: Road works
Category : Warning signs
A31 - Road works. Construction work is in progress on the roadway or nearby. Reduce your speed, comply with temporary signs and be alert to workers and construction vehicles that may enter or exit the work area.
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
- A33: Traffic light signals
- A35: Low-altitude aircraft overflight
- A37: Lateral wind
- A39: Traffic permitted in both directions after a one-way section
- A41: Level crossing with barriers
- A43: Level crossing without barriers
- A45: Level crossing with a single railway track (advance warning sign)
- A47: Level crossing with two or more railway tracks