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The M3 has 45 speed cameras on the map. The most are in Surrey Heath, with 27. 31 of its 45 cameras have a posted limit on the map, most often 70 mph. No average speed sections are mapped on it. The counts are from the map, as of 26 October 2026.
M3 speed camera map
Each bright dot is a camera on the M3. Faint dots are other cameras close by. Open the full map to zoom in on a stretch of the road.
Cameras on the M3 by kind
45 cameras on the M3 are on the map in all. Average speed cameras are speed cameras too, so the speed total holds them.
- Speed cameras at one spot 45
Where the cameras on the M3 are
The M3 runs through 5 local authority areas that have cameras on the road. Each row counts the cameras on the road in that area.
| Local authority area | Region or nation | Cameras |
|---|---|---|
| Surrey Heath | South East | 27 |
| Rushmoor | South East | 7 |
| Winchester | South East | 6 |
| Runnymede | South East | 4 |
| Test Valley | South East | 1 |
Posted limits on the M3
31 of the 45 cameras on the M3 have a posted limit on the map. The table counts them by limit.
| Posted limit | Cameras |
|---|---|
| 50 mph | 1 |
| 70 mph | 30 |
Average speed cameras on the M3
No average speed sections or average speed cameras are mapped on the M3.
When the M3 cameras were mapped
23 of the 45 cameras carry the day they were first added to the map. Each was added on 25 May 2022.
More roads and places
Other roads with pages of their own that run through the same region, 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
- 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: “M3 Speed Cameras: 45 Mapped, by Area and Limit (UK)”, CamsAhead.com, https://camsahead.com/uk/roads/m3/, updated 26 October 2026.
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