Road
Crashes on the A4155
1,144 recorded collisions since 2000.
1,144
All crashes
20
Fatal
157
Serious
967
Slight
Since 2000 the A4155 has seen 1,144 collisions, 20 of them fatal and 157 serious. That ranks it 425th of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 17.5 per 1,000 collisions, and 15% caused death or serious injury. Collisions have fallen by about 84% since 2000, from 79 to 13 in 2024. The heaviest local concentrations are in Reading, Buckinghamshire and South Oxfordshire.
Worst local authorities on the A4155
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Crashes by year
2000–2024100500
200020052010201520202024
Figures cover collisions reported to police (STATS19) from 2000 onward. Source: DfT STATS19, Open Government Licence v3.0.