Road
Crashes on the A4233
494 recorded collisions since 2000.
494
All crashes
9
Fatal
66
Serious
419
Slight
Since 2000 the A4233 has seen 494 collisions, 9 of them fatal and 66 serious. That ranks it 964th of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 18.2 per 1,000 collisions, and 15% caused death or serious injury. Collisions have fallen by about 40% since 2000, from 15 to 9 in 2024. The heaviest local concentrations are in Rhondda Cynon Taf and Merthyr Tydfil.
Worst local authorities on the A4233
Select a local authority for its full profile.
Crashes by year
2000–20246040200
200020052010201520202024
Figures cover collisions reported to police (STATS19) from 2000 onward. Source: DfT STATS19, Open Government Licence v3.0.