In this situation, when driving a lorry with a maximum gross weight exceeding 3.5 tonnes on an expressway, are you prohibited from overtaking another motor vehicle travelling at a speed of 75 km/h?

Explanation
Correct answer: Yes
Yes, on an expressway, driving a truck over 3.5 t, you must not overtake a vehicle travelling at 75 km/h. The photo shows an expressway with a truck travelling ahead of us. Under art. 24 para. 12 of the Road Traffic Act, this ban also applies on expressways. The permitted speed for a truck is 80 km/h, so the speed difference is only 5 km/h, which means the manoeuvre would take too long and block the traffic.
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In this situation, when driving a lorry with a maximum gross weight exceeding 3.5 tonnes on an expressway, are you allowed to overtake another motor vehicle travelling at 75 km/h?