Speed Cameras on the A404

12

Total Cameras

2

Speed Limits

2

Counties

4

Cities

33,188

Peak AADT

112

Crashes (2023)

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Camera Types

Fixed: 12

Speed Limits

30 mph
3
50 mph
2
Unknown
7

All Cameras on the A404

TypeSpeed LimitRoadLocationDaily TrafficCrashes (500m)
FixedA404Ealing11,62432
FixedA404Ealing19,59215
FixedA404Harrow25,67416
Fixed30 mphA404Watford13,5041260
Fixed30 mphA404High Wycombe33,1883
Fixed30 mphA404High Wycombe13,36150
Fixed50 mphA404Ealing21,14219
Fixed50 mphA404Ealing21,14220
FixedA404Harrow20,693310
FixedA404Harrow20,693130
FixedA404Harrow10,5113160
FixedA404Harrow10,5113340

Road Safety on the A404

Collisions within 500m of speed cameras on the A404 (DfT STATS19, 2023).

0

Fatal

15

Serious

97

Slight

127

Casualties

Peak daily traffic on the A404: 33,188 vehicles/day (DfT AADF).

Counties Along the A404

Frequently Asked Questions

How many speed cameras are on the A404?

There are 12 speed cameras on the A404, including 12 fixed and 0 average speed cameras.

How many crashes occur near speed cameras on the A404?

In 2023, there were 112 collisions within 500m of speed camera locations on the A404, including 0 fatal and 15 serious. Source: DfT STATS19.

How busy is the A404?

The busiest section of the A404 near a speed camera carries approximately 33,188 vehicles per day. Source: DfT Road Traffic Statistics.