Which vehicles are prohibited from using a road sign-posted like this?

The sign depicted is a prohibition for trucks. Specifically, it indicates that trucks with a permissible total mass exceeding 3.5 tons, as well as truck tractors, are not allowed to enter or use the road.

In Germany, road signs like this are essential for managing traffic flow and ensuring safety. The prohibition helps to minimize congestion and protect road infrastructure by preventing heavier vehicles from accessing certain routes. While cars with trailers are not prohibited by this sign, they must adhere to other regulations regarding trailer weight.

Understanding these restrictions is vital for drivers to ensure compliance with traffic laws and to select suitable routes for their vehicles.