The A29: where people are seriously hurt
Over 2021–2025, 109 people were killed or seriously injured in 95 collisions on the A29, making it the 132th worst numbered road in Britain by that measure.
95
serious or fatal collisions
109
people killed or seriously injured
9
collisions that took a life
#132
of 150 numbered roads
What the record shows
The A29 carries 255 recorded injury collisions over the period, 95 of them serious or fatal. Serious injury concentrates in Arun, Horsham, Mole Valley, with 1 further areas also recording collisions. Its fatal share, 9%, sits close to the 7% average for the numbered network. Most collisions were recorded on 60 mph sections. The worst year of the period was 2025 with 21 serious collisions, and the count is up 40% between 2021 and 2025.
Every serious and fatal collision on the A29
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
- Horsham38 KSI
- Mole Valley5 KSI
- Chichester4 KSI
Local authority areas with the most serious collisions on this road.
The trend
Serious and fatal collisions on the A29
2025: 21 (up 5% on the year before) · peak 21 in 2025 · +40% across the period
Axis clipped to the data range to show year-on-year movement.
About the A29
How many accidents happen on the A29?
Police recorded 255 injury collisions on the A29 over 2021–2025, of which 95 were fatal or serious. Those serious collisions left 109 people killed or seriously injured, including 9 fatal collisions.
Is the A29 a dangerous road?
By volume of serious injury it ranks 132 of the 150 numbered roads we analyse, and 122 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 A29 do collisions happen?
They concentrate in Arun, Horsham, Mole Valley. 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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