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The A3 has 30 speed cameras on the map. The most are in Wandsworth, with 11. 28 of its 36 cameras of all kinds have a posted limit on the map, most often 30 mph. No average speed sections are mapped on it. The counts are from the map, as of 26 October 2026.
A3 speed camera map
Each bright dot is a camera on the A3. Faint dots are other cameras close by. Open the full map to zoom in on a stretch of the road.
Cameras on the A3 by kind
36 cameras on the A3 are on the map in all. Average speed cameras are speed cameras too, so the speed total holds them.
- Speed cameras at one spot 30
- Red light cameras 6
Where the cameras on the A3 are
The A3 runs through 7 local authority areas that have cameras on the road. Each row counts the cameras on the road in that area.
By region: London 31 and South East 5.
Posted limits on the A3
28 of the 36 cameras on the A3 have a posted limit on the map. The table counts them by limit.
| Posted limit | Cameras |
|---|---|
| 30 mph | 11 |
| 40 mph | 7 |
| 50 mph | 10 |
Average speed cameras on the A3
No average speed sections or average speed cameras are mapped on the A3.
When the A3 cameras were mapped
3 of the 36 cameras carry the day they were first added to the map. The earliest is from 15 March 2009, the latest from 4 November 2022.
More roads and places
Other roads with pages of their own that run through the same regions, most speed cameras first.
Sources and updates
- OpenStreetMap contributors: speed, average speed, red light and other enforcement cameras, and the motorways and A roads they sit on, data as of 26 October 2026; ODbL 1.0
- Transport for London (London Safety Camera Partnership): London's speed and red light camera sites, read 7 November 2026. Powered by TfL Open Data. Contains OS data © Crown copyright and database rights 2016 and Geomni UK Map data © and database rights [2019]; TfL Transport Data Service licence (Open Government Licence v2.0 with TfL amendments)
- Office for National Statistics: Local Authority Districts (May 2026) Boundaries UK BGC (generalised 20 m, clipped to the coastline), and the English regions, which place each camera. Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
- Natural Earth: the UK outline on the map, 1:50m (public domain)
Cite this page: “A3 Speed Cameras: 30 Mapped, by Area and Limit (UK)”, CamsAhead.com, https://camsahead.com/uk/roads/a3/, updated 7 November 2026.
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