Road

Crashes on the B3400

503 recorded collisions since 2000.

503

All crashes

Fatal

110

Serious

380

Slight

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Since 2000 the B3400 has seen 503 collisions, 13 of them fatal and 110 serious. That ranks it 948th of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 25.8 per 1,000 collisions, and 24% caused death or serious injury. Collisions have fallen by about 73% since 2000, from 37 to 10 in 2024. The heaviest local concentrations are in Basingstoke and Deane, Test Valley and Winchester.

Worst local authorities on the B3400

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Basingstoke and Deane461 crashes · 9 fatal
Test Valley38 crashes · 4 fatal
Winchester2 crashes · 0 fatal
North Somerset1 crashes · 0 fatal
Hart1 crashes · 0 fatal

Crashes by year

2000–2024

6040200

200020052010201520202024

Figures cover collisions reported to police (STATS19) from 2000 onward. Source: DfT STATS19, Open Government Licence v3.0.