B-25 No overtaking
What it means
Bans drivers of motor vehicles from overtaking multi-track motor vehicles. You may therefore overtake a motorcycle, a bicycle or a horse-drawn cart. The ban lasts until sign B-27, B-42 or the next intersection. Plate T-23 may limit the ban to the type of vehicle shown.
Past B-25 you may overtake a two-wheeled motorcycle because it is not multi-track. Overtaking a lorry, a bus or a car is not allowed.