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Can trucks with a gross vehicle weight not exceeding 3,500 kg use a lane opened to traffic in the opposite direction to the normal one?

Traffic rules

Can trucks with a gross vehicle weight not exceeding 3,500 kg use a lane opened to traffic in the opposite direction to the normal one?
Trucks with a maximum authorized mass not exceeding 3,500 kg can use a lane open in the opposite direction to the usual one when it has been enabled due to roadworks, as these lanes are available for all authorized vehicles in construction situations.

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