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UK Road Signs

Information sign

Traffic-calmed area sign

Traffic-calmed area sign: a blue square sign with the words Traffic calmed area
Sign image: Department for Transport, © Crown copyright

What does the Traffic-calmed area sign mean?

Marks the entrance to an area with traffic-calming features, such as humps and narrowings.

Also known as: Traffic calming zone

What it means

You are entering an area with traffic-calming features.

The sign tells you that the area ahead has features designed to slow traffic, such as road humps and road narrowings.

These features may not be signed one by one, so adopt a steady low speed and avoid repeated acceleration and braking.

Where you'll see it

At the entrance to areas with traffic-calming measures, sometimes naming the area.

Rules to know

  • The sign marks the entrance to a traffic-calmed area. The name of the area may be shown.

    Know Your Traffic Signs, p. 85

  • In these areas it is important that you adopt a steady low speed and avoid repeated acceleration and deceleration.

    Know Your Traffic Signs, p. 87

Common mistakes

  • Mistake: Speeding up between humps.

    Instead: Keep a steady low speed through the whole area.

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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 883). © 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