Crashes on the A1170

873 recorded collisions since 2000.

Since 2000 the A1170 has seen 873 collisions, 9 of them fatal and 111 serious. That ranks it 582nd of 6,754 numbered A, B and M roads by total recorded collisions. Its fatal rate is 10.3 per 1,000 collisions, and 14% caused death or serious injury. Collisions have fallen by about 55% since 2000, from 60 to 27 in 2024. The heaviest local concentrations are in Broxbourne, East Hertfordshire and Hertsmere.

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