Road
Crashes on the A4421
267 recorded collisions since 2000.
267
All crashes
8
Fatal
45
Serious
214
Slight
Since 2000 the A4421 has seen 267 collisions, 8 of them fatal and 45 serious. That ranks it 1649th of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 30 per 1,000 collisions, and 20% caused death or serious injury. Collisions have fallen by about 77% since 2000, from 22 to 5 in 2024. The heaviest local concentrations are in Cherwell and South Oxfordshire.
Worst local authorities on the A4421
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Crashes by year
2000–202440200
200020052010201520202024
Figures cover collisions reported to police (STATS19) from 2000 onward. Source: DfT STATS19, Open Government Licence v3.0.