Correct answer
Carriageway compulsory for all types of lorries and vans.
Vertical sign R-406 establishes the obligation for drivers of all types of lorries and vans, regardless of their mass, to travel on the carriageway at whose entrance it is located. If it also bears a weight figure inside it, this means that the obligation applies only when the maximum authorised mass of the vehicle or combination of vehicles exceeds that figure.
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Carriageway recommended for all vehicles, especially lorries.
Carriageway compulsory for all types of lorries and vans.
Carriageway compulsory for all vehicles except lorries.
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Sign R-406: a carriageway for lorries and vans
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