D1a: Obligation to follow the direction indicated by the arrow
Category : Mandatory signs
D1a - Obligation to follow the direction indicated by the arrow: straight ahead. You must continue straight, without turning. Often placed after an intersection or at the entrance to a road to impose the trajectory.
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).
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Other road signs
- D1ba: Obligation to follow the direction indicated by the arrow
- D1c: Obligation to follow the direction indicated by the arrow
- D1d: Obligation to follow the direction indicated by the arrow
- D1e – Obligation to turn left
- D1f: Mandatory right turn
- D3a: Obligation to follow one of the indicated directions
- D3b
- D4a: Mandatory direction for vehicles carrying dangerous goods, as indicated…