Road
Crashes on the B457
140 recorded collisions since 2000.
140
All crashes
0
Fatal
21
Serious
119
Slight
Since 2000 the B457 has seen 140 collisions, 0 of them fatal and 21 serious. That ranks it 2581st of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 0 per 1,000 collisions, and 15% caused death or serious injury. Collisions have fallen by about 75% since 2000, from 12 to 3 in 2022. The heaviest local concentrations are in Harrow.
Worst local authorities on the B457
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Crashes by year
2000–2024151050
2000200520102020
Figures cover collisions reported to police (STATS19) from 2000 onward. Source: DfT STATS19, Open Government Licence v3.0.