Motorway
Information signsSign no. 4.01OSR art. 45
What the sign says
Green sign: from here 120 km/h maximum, a design speed of at least 80 km/h, no U-turns, no reversing, no stopping except in an emergency.
The exam trap
Motorways are barred to learner drivers under 18 and to any vehicle unable by design to reach 80 km/h.
Study topic
Motorway and expressway
The signs are the official depictions by the Federal Roads Office, from the annexes of the Signalling Ordinance (SR 741.21): official works, unprotected under Art. 5 of the Copyright Act. The explanations, by contrast, are written from federal law — never taken from a third-party catalogue.