Correct answer
Yes, the sign only applies to lorries whose MAM exceeds 3,500 kg.
That specific prohibition does not apply: R-306 applies to lorries exceeding 3,500 kg MAM. The lighter lorry may only overtake if other rules and signs permit it and it is safe. R-306 does not by itself impose a general prohibition on that lorry entering opposing traffic.
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It can only overtake two-wheeled vehicles.
No, the sign prohibits it from overtaking any type of motor vehicle.
Yes, the sign only applies to lorries whose MAM exceeds 3,500 kg.
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Sign R-306: no overtaking for lorries
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