Road
Crashes on the B158
391 recorded collisions since 2000.
391
All crashes
3
Fatal
76
Serious
312
Slight
Since 2000 the B158 has seen 391 collisions, 3 of them fatal and 76 serious. That ranks it 1200th of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 7.7 per 1,000 collisions, and 20% caused death or serious injury. Collisions have fallen by about 68% since 2000, from 25 to 8 in 2024. The heaviest local concentrations are in East Hertfordshire, Welwyn Hatfield and Hertsmere.
Worst local authorities on the B158
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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.