A truck with a gross vehicle weight exceeding 3.5 t is pulling a trailer. By what percentage may the gross weight of the trailer exceed the actual weight of the car pulling it?

Explanation

Correct answer: 40%.

According to the provisions of the Road Traffic Act, a special rule applies to a combination of vehicles consisting of a lorry with a maximum authorised mass exceeding 3.5 tonnes and a trailer. It allows the actual total mass of the trailer to exceed the actual total mass of the towing vehicle by a maximum of 40%. In the case of other vehicles, the mass of the trailer must not exceed the mass of the vehicle.

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