A18: Two-way traffic

A18 · Warning signs

Two-way traffic

På dansk Modkørende færdsel

What it means
Expect oncoming traffic on the section ahead. Keep to your side and reassess any overtaking plan.
Your action
Expect oncoming traffic on the section ahead. Keep to your side and reassess any overtaking plan.
Common mistake
This warns of opposing traffic; it does not give your direction priority.

Source check: 2026-10-16 · Order §13; Traffic Act §41. Road markings order 425, 13 April 2023 · Danish Road Traffic Act 118, 12 January 2026

A Triangular with a red border: something ahead needs your attention. Outside built-up areas they normally stand 150-250 m before the hazard, closer inside town.

Practise A signs All signs
Neighbours of this sign in the A group.
A11Dangerous junction with a non-priority roadA16RoundaboutA17Pedestrian crossingA19Traffic signalsA20Risk of queuesA21CyclistsA22ChildrenA23Horse riders ahead

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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