A20: Risk of queues

A20 · Warning signs

Risk of queues

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What it means
Look well ahead for the back of a queue, increase your gap and slow early if traffic is stopping.
Your action
Look well ahead for the back of a queue, increase your gap and slow early if traffic is stopping.
Common mistake
The sign warns of a particular queue risk even when traffic at the sign is still moving.

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.

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.