C12: No U-turns

C12 · Prohibitory signs

No U-turns

På dansk Vending forbudt

Your action
Continue using a permitted manoeuvre; do not make a U-turn here.
Common mistake
A U-turn ban does not, by itself, ban a normal left turn.

Source check: 2026-10-16 · Order §19; curriculum 7.5. Road markings order 425, 13 April 2023 · Færdselsstyrelsen — category B, May 2026

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

Learn it in lesson 03 → All signs

In the course

Do not confuse

C11.2C11.2No left turnC12C12No U-turns

No left turn also bans a U-turn. A no-U-turn sign alone does not ban an ordinary left turn.

Example road scene with C12 (illustration)
Example on the road Illustration: the street is AI-made, the sign is the official drawing.
Neighbours of this sign in the C group.
C11.1No right turnC11.2No left turnC19No entryC21No vehicle traffic in either directionC22.1No motor vehicles, large mopeds or tractorsC22.2No motorcycles or large mopedsC23.1No trucksC23.2No buses

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.

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