Road
Crashes on the B4255
103 recorded collisions since 2000.
103
All crashes
0
Fatal
12
Serious
91
Slight
Since 2000 the B4255 has seen 103 collisions, 0 of them fatal and 12 serious. That ranks it 2986th of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 0 per 1,000 collisions, and 12% caused death or serious injury. Collisions have fallen by about 75% since 2000, from 8 to 2 in 2024. The heaviest local concentrations are in Merthyr Tydfil, Caerphilly and Vale of Glamorgan.
Worst local authorities on the B4255
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Crashes by year
2000–2024151050
20002005201020152024
Figures cover collisions reported to police (STATS19) from 2000 onward. Source: DfT STATS19, Open Government Licence v3.0.