Switzerland applies strict restrictions for heavy vehicles (>3.5t): Night ban from 22:00 to 05:00 on the entire road network; Sunday and federal holiday ban all day (00:00–24:00); the night ban also applies on the eve of and day after public holidays. Maximum weight 40 tonnes (44t allowed only for unaccompanied combined transport with road leg ≤40 km as the crow flies from the terminal). Height limit 4 metres. Affected vehicles: trucks >3.5t, semi-trailers >5t, vehicles with trailers >3.5t — on the entire road network, including transit. Exemptions: perishable goods with proof of urgency; agricultural vehicles; postal transport; passenger coaches; tourist campers. Special exemptions require cantonal authorisation.