Road crashes in Cardiff

17,809 recorded collisions since 2000.

Cardiff has recorded 17,809 road collisions since 2000, 164 of them fatal and 1,587 causing serious injury. That makes it the 54th-busiest of 352 local authorities in Great Britain for recorded collisions. Around 10% caused death or serious injury. Its fatal rate of 9.2 per 1,000 collisions sits below the Great Britain average of 13.6. Numbers have fallen by about 79% since 2000, from 1,130 to 240 in 2024. The A48 is the most affected road locally, with 1,332 collisions.

Figures cover collisions reported to police (STATS19) from 2000 onward; severity definitions changed over time, so treat long-range trends with care. Source: DfT STATS19, Open Government Licence v3.0.