The A27: where people are seriously hurt
Over 2021–2025, 401 people were killed or seriously injured in 367 collisions on the A27, making it the 16th worst numbered road in Britain by that measure.
367
serious or fatal collisions
401
people killed or seriously injured
25
collisions that took a life
#16
of 150 numbered roads
What the record shows
The A27 carries 1,547 recorded injury collisions over the period, 367 of them serious or fatal. Serious injury concentrates in Arun, Fareham, Brighton and Hove, with 3 further areas also recording collisions. Its fatal share, 7%, sits close to the 7% average for the numbered network. Most collisions were recorded on 70 mph sections. The worst year of the period was 2021 with 79 serious collisions, and the count is down 4% between 2021 and 2025.
Every serious and fatal collision on the A27
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
- Arun48 KSI
- Fareham46 KSI
- Brighton and Hove34 KSI
- Lewes34 KSI
- Chichester34 KSI
- Worthing32 KSI
Local authority areas with the most serious collisions on this road.
The trend
Serious and fatal collisions on the A27
2025: 76 (down 2.6% on the year before) · peak 79 in 2021 · -3.8% across the period
Axis clipped to the data range to show year-on-year movement.
About the A27
How many accidents happen on the A27?
Police recorded 1,547 injury collisions on the A27 over 2021–2025, of which 367 were fatal or serious. Those serious collisions left 401 people killed or seriously injured, including 25 fatal collisions.
Is the A27 a dangerous road?
By volume of serious injury it ranks 16 of the 150 numbered roads we analyse, and 14 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 A27 do collisions happen?
They concentrate in Arun, Fareham, Brighton and Hove. 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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