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UK Road Signs

Warning sign

Road humps sign

Road humps warning sign: a red-bordered triangle with a black hump in the road
Sign image: Department for Transport, © Crown copyright

What does the Road humps sign mean?

Warns that road humps are ahead. Slow down and cross them at a steady low speed rather than braking late.

Also known as: Speed humps, Speed bumps sign

What it means

Road humps are ahead.

The raised bump in the symbol warns of road humps, which are built to slow traffic down.

Slow down before the first hump and keep a steady low speed. Plates may show how far the humps continue or where they are.

Where you'll see it

At the start of roads with humps or a series of humps.

Rules to know

  • Road humps may have a flat or round top. Warning signs may be used at the beginning of the road where a hump or series of humps is installed.

    Know Your Traffic Signs, p. 85

  • Plates can show the distance over which the humps continue, the direction, or a single hump in a given distance.

    Know Your Traffic Signs, p. 85

Common mistakes

  • Mistake: Braking hard at the last moment.

    Instead: Slow down in good time and cross the humps at a steady low speed.

Test yourself

Recalling the answer helps it stick. Pick an answer to see how you did.

Question 1 of 1

What does this sign mean?

Red-bordered white triangle with a black rounded bump on a flat line

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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.

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Sources

Sign image: Department for Transport, Traffic sign images (diagram 557.1). © Crown copyright, reused under the Open Government Licence v3.0.

Last reviewed 11 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