The A43: where people are seriously hurt
Over 2021–2025, 114 people were killed or seriously injured in 91 collisions on the A43, making it the 137th worst numbered road in Britain by that measure.
91
serious or fatal collisions
114
people killed or seriously injured
15
collisions that took a life
#137
of 150 numbered roads
What the record shows
The A43 carries 428 recorded injury collisions over the period, 91 of them serious or fatal. Serious injury concentrates in North Northamptonshire, West Northamptonshire, Cherwell, 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 21 serious collisions, and the count is up 24% between 2021 and 2025.
Every serious and fatal collision on the A43
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
- North Northamptonshire48 KSI
- West Northamptonshire38 KSI
- Cherwell3 KSI
- West Berkshire1 KSI
- Blackpool1 KSI
Local authority areas with the most serious collisions on this road.
The trend
Serious and fatal collisions on the A43
2025: 21 (down 0% on the year before) · peak 21 in 2024 · +23.5% across the period
Axis clipped to the data range to show year-on-year movement.
About the A43
How many accidents happen on the A43?
Police recorded 428 injury collisions on the A43 over 2021–2025, of which 91 were fatal or serious. Those serious collisions left 114 people killed or seriously injured, including 15 fatal collisions.
Is the A43 a dangerous road?
By volume of serious injury it ranks 137 of the 150 numbered roads we analyse, and 127 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 A43 do collisions happen?
They concentrate in North Northamptonshire, West Northamptonshire, Cherwell. 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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