The A414: where people are seriously hurt
Over 2021–2025, 160 people were killed or seriously injured in 139 collisions on the A414, making it the 73th worst numbered road in Britain by that measure.
139
serious or fatal collisions
160
people killed or seriously injured
25
collisions that took a life
#73
of 150 numbered roads
What the record shows
The A414 carries 537 recorded injury collisions over the period, 139 of them serious or fatal. Serious injury concentrates in Chelmsford, Epping Forest, St Albans, with 3 further areas also recording collisions. Collisions here are more likely than average to be fatal: 18% against 7% across the numbered network, which usually points to higher speeds. Most collisions were recorded on 40 mph sections. The worst year of the period was 2022 with 36 serious collisions, and the count is up 8% between 2021 and 2025.
Every serious and fatal collision on the A414
Blue markers are serious collisions, red crosses fatal. Click any marker for the year. Zoom in to see the specific junctions and stretches where they cluster.
Where along the route
- Chelmsford27 KSI
- Epping Forest23 KSI
- St Albans22 KSI
- East Hertfordshire18 KSI
- Harlow17 KSI
- Welwyn Hatfield14 KSI
Local authority areas with the most serious collisions on this road.
The trend
Serious and fatal collisions on the A414
2025: 26 (up 23.8% on the year before) · peak 36 in 2022 · +8.3% across the period
Axis clipped to the data range to show year-on-year movement.
About the A414
How many accidents happen on the A414?
Police recorded 537 injury collisions on the A414 over 2021–2025, of which 139 were fatal or serious. Those serious collisions left 160 people killed or seriously injured, including 25 fatal collisions.
Is the A414 a dangerous road?
By volume of serious injury it ranks 73 of the 150 numbered roads we analyse, and 67 among a roads. That is a count rather than a rate: longer and busier roads accumulate more collisions, so a high ranking reflects exposure as well as risk.
Where on the A414 do collisions happen?
They concentrate in Chelmsford, Epping Forest, St Albans. The map on this page plots every serious and fatal collision recorded on the route, so you can see the specific stretches rather than the total.
Counts include every collision the police recorded on this road number across all authority areas. They are not adjusted for traffic volume or road length, so treat them as a measure of where injury concentrates rather than a per-mile risk rating. Method. Free to reuse with attribution to this page.
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