C51: No overtaking
C51 · Prohibitory signs

No overtaking

På dansk Overhaling forbudt

No overtaking from here until the restriction ends. It applies to overtaking motor vehicles, not to bicycles and mopeds.

C Round with a red border: something is forbidden - entry, a manoeuvre, a speed, parking.

Practise C signs All signs See it in a real scene
Neighbours in the same family These are the ones people mix up — compare them side by side.
C36: Max bogie load C36 Max bogie load C41: Max width of vehicle with load C41 Max width of vehicle with load C42: Max height of vehicle with load C42 Max height of vehicle with load C43: Max length of vehicle C43 Max length of vehicle C52: No overtaking by heavy goods vehicle C52 No overtaking by heavy goods vehicle C53: End of no overtaking C53 End of no overtaking C54: End of no overtaking by heavy goods vehicle C54 End of no overtaking by heavy goods vehicle C55: Local speed limit C55 Local speed limit

Drawing from Wikimedia Commons, free of copyright under section 9 of the Danish copyright act. Code and name follow executive order 425 of 13 April 2023 on road marking. Study material, not the legal text.