What does this traffic sign indicate?

This traffic sign indicates that motor vehicles are prohibited. It typically means that no cars are allowed to enter or park in the area designated by the sign.

In Germany, such signs are enforced under traffic regulations to ensure safety and manage traffic flow in specific areas, like pedestrian zones or locations where vehicle traffic could cause hazards. Understanding and obeying this sign is essential for ensuring compliance with local traffic laws and maintaining safety for all road users.