Road
Crashes on the A55
2,274 recorded collisions since 2000.
2,274
All crashes
75
Fatal
343
Serious
1,856
Slight
Since 2000 the A55 has seen 2,274 collisions, 75 of them fatal and 343 serious. That ranks it 189th of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 33 per 1,000 collisions, and 18% caused death or serious injury. Collisions have fallen by about 77% since 2000, from 138 to 32 in 2024. The heaviest local concentrations are in Flintshire, Conwy and Denbighshire.
Worst local authorities on the A55
Select a local authority for its full profile.
- Flintshire684 crashes · 15 fatal
- Conwy651 crashes · 18 fatal
- Denbighshire219 crashes · 11 fatal
- Cheshire190 crashes · 5 fatal
- Isle of Anglesey189 crashes · 13 fatal
- Gwynedd172 crashes · 5 fatal
- Cheshire West and Chester167 crashes · 8 fatal
- Wrexham2 crashes · 0 fatal
- Rochdale1 crashes · 0 fatal
- Cannock Chase1 crashes · 0 fatal
Crashes by year
2000–2024200150100500
200020052010201520202024
Figures cover collisions reported to police (STATS19) from 2000 onward. Source: DfT STATS19, Open Government Licence v3.0.