Road
Crashes on the A404
8,224 recorded collisions since 2000.
8,224
All crashes
67
Fatal
1,142
Serious
7,015
Slight
Since 2000 the A404 has seen 8,224 collisions, 67 of them fatal and 1,142 serious. That ranks it 31st of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 8.1 per 1,000 collisions, and 15% caused death or serious injury. Collisions have fallen by about 56% since 2000, from 546 to 240 in 2024. The heaviest local concentrations are in Brent, Westminster and Buckinghamshire.
Worst local authorities on the A404
Select a local authority for its full profile.
- Brent3,575 crashes · 19 fatal
- Westminster1,496 crashes · 8 fatal
- Buckinghamshire1,160 crashes · 25 fatal
- Harrow920 crashes · 4 fatal
- Three Rivers394 crashes · 4 fatal
- Hillingdon317 crashes · 3 fatal
- Windsor and Maidenhead246 crashes · 2 fatal
- Kensington and Chelsea109 crashes · 2 fatal
- Watford5 crashes · 0 fatal
- Birmingham2 crashes · 0 fatal
Crashes by year
2000–20241,0005000
200020052010201520202024
Figures cover collisions reported to police (STATS19) from 2000 onward. Source: DfT STATS19, Open Government Licence v3.0.