Road
Crashes on the B4254
172 recorded collisions since 2000.
172
All crashes
4
Fatal
27
Serious
141
Slight
Since 2000 the B4254 has seen 172 collisions, 4 of them fatal and 27 serious. That ranks it 2281st of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 23.3 per 1,000 collisions, and 18% caused death or serious injury. Collisions have fallen by about 91% since 2000, from 11 to 1 in 2024. The heaviest local concentrations are in Caerphilly and Merthyr Tydfil.
Worst local authorities on the B4254
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Crashes by year
2000–202420151050
200020052010201520202024
Figures cover collisions reported to police (STATS19) from 2000 onward. Source: DfT STATS19, Open Government Licence v3.0.