A21 Speed Cameras
5 mapped camera locations on the A21. The most common limit is 30 mph.
- Cameras
- 5
- Most common limit
- 30 mph
- Collisions near cameras
- 18
- Busiest point, vehicles/day
- 21,978
Interactive camera map
The map loads when it scrolls into view.
Cameras along the A21
Bromley → Bromley · 3 camera sites, heading south-east
- Start · Bromley
- End · Bromley · about 3 miles of camera coverage
Order and mileage are approximate (straight-line between camera sites). Directions show the direction of traffic the camera is mapped for.
Speed limits at A21 cameras
Camera types
Fixed
Gatso, Truvelo and similar cameras at one spot
5
100%
Road safety on the A21
Unique collisions within 500 m of mapped camera locations on the A21 (DfT STATS19, 2024). Proximity does not establish causation.
Collision context
Severity near mapped cameras
0
Fatal · 0%
2
Serious · 11%
16
Slight · 89%
18
unique collisions within 500m
20
casualties · 1.1 per collision
What the figures say
11% of matched collisions were fatal or serious in the 2024 STATS19 dataset.
21,978 vehicles per day at the busiest camera across 5 matched count locations.
These are collisions near mapped camera records, not collisions caused or prevented by cameras. Coverage depends on available camera, traffic and STATS19 coordinates.
the A21 · DfT STATS19 2024 and Road Traffic Statistics AADF 2024.
Counties along the A21
Connecting roads with cameras
35 cameras
Greater London, Bedfordshire, East Lothian
35 cameras
Berkshire, Greater London, Bristol
29 cameras · 4 average speed
Staffordshire, West Midlands, Shropshire
29 cameras · 4 average speed
Hertfordshire, West Midlands, Greater London
26 cameras
Greater London, Kent
19 cameras
Oxfordshire, Greater London, Buckinghamshire
18 cameras · 4 average speed
Greater London, Suffolk
16 cameras
Greater London, East Sussex, West Sussex
14 cameras
Surrey, Hampshire, Greater London
Frequently asked questions
How many speed cameras are on the A21?
There are 5 mapped speed camera locations on the A21, grouped into 3 camera sites between Bromley and Bromley. The most common limit at these cameras is 30 mph.
Does the A21 have average speed cameras?
No permanent average speed cameras are mapped on the A21, but temporary average speed zones are common at roadworks.
What is the speed limit on the A21?
Limits on the A21 change along the route: 30 mph is the most common at its cameras, with 60 mph on single-carriageway sections and 70 mph on dual carriageways unless signed otherwise.
How many collisions happen near cameras on the A21?
In 2024 DfT STATS19 recorded 18 unique collisions within 500 m of mapped camera sites on the A21, including 0 fatal and 2 serious.
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