Road
Crashes on the M3
5,439 recorded collisions since 2000.
5,439
All crashes
80
Fatal
812
Serious
4,547
Slight
Since 2000 the M3 has seen 5,439 collisions, 80 of them fatal and 812 serious. That ranks it 66th of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 14.7 per 1,000 collisions, and 16% caused death or serious injury. Collisions have fallen by about 55% since 2000, from 301 to 134 in 2024. The heaviest local concentrations are in Winchester, Surrey Heath and Runnymede.
Worst local authorities on the M3
Select a local authority for its full profile.
- Winchester1,093 crashes · 17 fatal
- Surrey Heath938 crashes · 16 fatal
- Runnymede836 crashes · 8 fatal
- Basingstoke and Deane829 crashes · 10 fatal
- Hart524 crashes · 12 fatal
- Eastleigh445 crashes · 6 fatal
- Havant312 crashes · 5 fatal
- Spelthorne161 crashes · 4 fatal
- Rushmoor121 crashes · 1 fatal
- East Hampshire90 crashes · 0 fatal
Crashes by year
2000–20244002000
200020052010201520202024
Figures cover collisions reported to police (STATS19) from 2000 onward. Source: DfT STATS19, Open Government Licence v3.0.