The sign name is Prohibition for motor vehicles.

This traffic sign indicates that motor vehicles are not allowed to enter a specified area. It is typically used in zones where there is a need to restrict access for environmental reasons, safety, or to reduce traffic congestion. The prohibition usually applies to all types of motorized vehicles, including cars, motorcycles, and trucks.

Drivers should be aware that, in areas marked by this sign, they must find alternative routes and ensure they adhere to the restrictions to avoid fines or penalties. It is important to also look for additional signs that may provide specific exceptions, such as access for deliveries or permits for local residents.

Always pay attention to these signs to understand the traffic regulations related to motor vehicle access in various areas.