Correct answer
Yes, as it is authorised on the road and not expressly prohibited, subject to the conditions.
Yes. For roadworks, vehicle types authorised on the road may use it unless expressly prohibited. This differs from contraflow opened solely for traffic flow, limited to motorcycles and cars without trailers. Use dipped headlights day and night, observe 60–80 km/h or lower established or signed limits, and do not move laterally into normal-direction lanes, even to overtake. Obey delineation and instructions.
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All options
Yes, as it is authorised on the road and not expressly prohibited, subject to the conditions.
No, lorries can never use it even when opened for roadworks.
Yes, even if a sign expressly prohibits lorries.
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