Correct answer
All vehicles authorised to use the road under construction, unless expressly prohibited.
When roadworks open up a lane for traffic travelling in the opposite direction to usual, it may be used by all vehicles authorised to use the road under construction, unless there is an express prohibition. These lanes are properly signposted with warning signs and, in some cases, also with square or lane traffic lights. These lanes are opened up to keep traffic flowing while the work on the road is carried out.
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Cars without a trailer, adaptable mixed-use vehicles and motorcycles.
Only cars without a trailer and motorcycles.
All vehicles authorised to use the road under construction, unless expressly prohibited.
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