Road
Crashes on the B4623
171 recorded collisions since 2000.
171
All crashes
1
Fatal
26
Serious
144
Slight
Since 2000 the B4623 has seen 171 collisions, 1 of them fatal and 26 serious. That ranks it 2294th of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 5.8 per 1,000 collisions, and 16% caused death or serious injury. Collisions have fallen by about 95% since 2000, from 19 to 1 in 2024. The heaviest local concentrations are in Caerphilly and Cardiff.
Worst local authorities on the B4623
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Crashes by year
2000–202440200
2000200520102024
Figures cover collisions reported to police (STATS19) from 2000 onward. Source: DfT STATS19, Open Government Licence v3.0.