Road
Crashes on the A4059
685 recorded collisions since 2000.
685
All crashes
22
Fatal
99
Serious
564
Slight
Since 2000 the A4059 has seen 685 collisions, 22 of them fatal and 99 serious. That ranks it 705th of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 32.1 per 1,000 collisions, and 18% caused death or serious injury. Collisions have fallen by about 58% since 2000, from 24 to 10 in 2024. The heaviest local concentrations are in Rhondda Cynon Taf, Powys and Merthyr Tydfil.
Worst local authorities on the A4059
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Crashes by year
2000–20246040200
200020052010201520202024
Figures cover collisions reported to police (STATS19) from 2000 onward. Source: DfT STATS19, Open Government Licence v3.0.