How fast are you allowed to drive a car with a coupled trailer with brakes?

Max 80 km/h applies for a car with a coupled trailer with brakes.

Brake requirements for trailers

Trailers with a total weight exceeding 750 kg must be equipped with a service brake. Trailers coupled to private cars are usually equipped with an overrun brake that brakes automatically when the car brakes.

Trailers with a kerb weight exceeding 400 kg must also be equipped with a parking brake.

Speed limitations for trailers

• Max 80 km/h applies for a car with a coupled trailer with brakes.
• Max 80 km/h applies for a car with a coupled trailer without brakes if the trailer's total weight (or kerb weight when it is not loaded) does not exceed half of the car's kerb weight.
• Max 40 km/h applies for a car with a coupled trailer without brakes if the trailer's total weight (or kerb weight when it is not loaded) exceeds half of the car's kerb weight.