Start of built-up area, secondary road

Information signsSign no. 4.29OSR art. 50

What the sign says

The same job as its blue counterpart, but on a secondary road: black lettering on white. The colour says the road type, not the regime.

The exam trap

White does not mean fewer rules: the general 50 km/h limit applies there exactly as on a main road, from the sign that announces it.

Do not confuse

Start of built-up area, main roadOSR art. 50
End of built-up area, secondary roadOSR art. 50
General 50 km/h speed limitOSR art. 22 · OCR art. 4a

Study topic

Speed and distances

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.