Warning sign
Other danger sign
What does the Other danger sign mean?
Warns of a hazard that has no symbol of its own. A plate underneath says what the danger is.
Also known as: Exclamation mark sign
What it means
There is a hazard ahead. The plate under the sign tells you what it is, such as an accident or a hidden dip.
The exclamation mark is used for dangers that do not have their own warning symbol.
Read the plate, slow down and be ready for the hazard it describes.
Where you'll see it
Before a hazard that has no symbol of its own, with a plate naming it.
Rules to know
The sign warns of other danger, and the plate indicates the nature of the hazard.
Know Your Traffic Signs, p. 13
The Highway Code describes it as other danger, with a plate indicating the nature of the danger.
The Highway Code, Traffic signs
Common mistakes
Mistake: Ignoring it because there is no picture of the hazard.
Instead: The plate tells you what to expect. Slow down and look for it.
Test yourself
Recalling the answer helps it stick. Pick an answer to see how you did.
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© Crown copyright. Free to reuse under the Open Government Licence v3.0, as long as the sign is reproduced accurately and not in a misleading context.
Related signs
See also
Road works
Temporary sign
A warning triangle for works or an obstruction.
More warning signs
All warning signs
Sources
- Know Your Traffic Signs (Department for Transport, Sixth edition, 2023), Warning signs, p. 13
- The Highway Code, Traffic signs
Sign image: Department for Transport, Traffic sign images (diagram 562). © Crown copyright, reused under the Open Government Licence v3.0.
Last reviewed 6 October 2026. This page explains the sign in our own words; for the full rules, see The Highway Code. How we source and check content