The A120: where people are seriously hurt
Over 2021–2025, 101 people were killed or seriously injured in 87 collisions on the A120, making it the 147th worst numbered road in Britain by that measure.
87
serious or fatal collisions
101
people killed or seriously injured
14
collisions that took a life
#147
of 150 numbered roads
What the record shows
The A120 carries 344 recorded injury collisions over the period, 87 of them serious or fatal. Serious injury concentrates in Tendring, Braintree, Uttlesford, with 2 further areas also recording collisions. Collisions here are more likely than average to be fatal: 16% against 7% across the numbered network, which usually points to higher speeds. Most collisions were recorded on 60 mph sections. The worst year of the period was 2024 with 19 serious collisions, and the count is flat between 2021 and 2025.
Every serious and fatal collision on the A120
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
- Tendring23 KSI
- Braintree22 KSI
- Uttlesford19 KSI
- East Hertfordshire13 KSI
- Colchester10 KSI
Local authority areas with the most serious collisions on this road.
The trend
Serious and fatal collisions on the A120
2025: 16 (down 15.8% on the year before) · peak 19 in 2024 · 0% across the period
Axis clipped to the data range to show year-on-year movement.
About the A120
How many accidents happen on the A120?
Police recorded 344 injury collisions on the A120 over 2021–2025, of which 87 were fatal or serious. Those serious collisions left 101 people killed or seriously injured, including 14 fatal collisions.
Is the A120 a dangerous road?
By volume of serious injury it ranks 147 of the 150 numbered roads we analyse, and 136 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 A120 do collisions happen?
They concentrate in Tendring, Braintree, Uttlesford. 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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