Main road number plate

Information signsSign no. 4.57OSR art. 56

What the sign says

White number on blue: the plate marks the most important main roads of the Swiss network.

Do not confuse

Motorway number plateOSR art. 56
European route number plateOSR art. 56
Priority roadOSR art. 37

Study topic

Documents and admin

Practise this topic All signs

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.