MandatoryB21-2
Turn left (before the sign)
What does the “Turn left (before the sign)” sign mean?
The “Turn left (before the sign)” sign belongs to the “Mandatory” family of the French highway code. Mandatory signs are round with a blue background. They require the driver to follow a direction, lane or behaviour.
Updated 2 July 2026
Sign name
- Français
- Direction obligatoire : à gauche (avant le panneau)
- العربية
- اتجاه إلزامي: يساراً (قبل اللوحة)
- English
- Turn left (before the sign)
Other signs in the same family
Sources: Sécurité routière (securite-routiere.gouv.fr) and service-public.fr.