Speed limit signs
Maximum speed limit of 20 miles per hour
What it means
The red ring means 20 mph is the legal maximum here - you MUST NOT go faster, whatever the traffic around you is doing. Unlike a 20 zone there may be no humps to slow you, so the sign and its repeaters are your only cue. Typical in town centres and outside schools; check your speedo as you pass.
Highway Code Rule 124 — read it on GOV.UK
More on signs like this: UK speed limit signs explained: national, minimum, and camera zones
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Other speed limit signs
- Area in which cameras are used to enforce the speed limit regulations
- End of restriction or prohibition conveyed by an associated sign
- Entrance to a 20 miles per hour speed limit zone
- Length of road where two cameras are used to measure the average speed of a vehicle between two points
- Maximum speed limit of 30 miles per hour
- Maximum speed limit of 40 miles per hour
Sign images: Department for Transport, © Crown copyright. Used under the Open Government Licence v3.0.