The A402: where people are seriously hurt
Over 2021–2025, 89 people were killed or seriously injured in 89 collisions on the A402, making it the 145th worst numbered road in Britain by that measure.
89
serious or fatal collisions
89
people killed or seriously injured
0
collisions that took a life
#145
of 150 numbered roads
What the record shows
The A402 carries 457 recorded injury collisions over the period, 89 of them serious or fatal. Serious injury concentrates in Hammersmith and Fulham, Kensington and Chelsea, Westminster, with 1 further areas also recording collisions. Collisions here are less likely than average to be fatal (0% against 7%), typical of lower-speed urban sections. Most collisions were recorded on 20 mph sections. The worst year of the period was 2021 with 20 serious collisions, and the count is down 15% between 2021 and 2025.
Every serious and fatal collision on the A402
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
- Hammersmith and Fulham35 KSI
- Kensington and Chelsea29 KSI
- Westminster24 KSI
- Hounslow1 KSI
Local authority areas with the most serious collisions on this road.
The trend
Serious and fatal collisions on the A402
2025: 17 (up 13.3% on the year before) · peak 20 in 2021 · -15% across the period
Axis clipped to the data range to show year-on-year movement.
About the A402
How many accidents happen on the A402?
Police recorded 457 injury collisions on the A402 over 2021–2025, of which 89 were fatal or serious. Those serious collisions left 89 people killed or seriously injured, including 0 fatal collisions.
Is the A402 a dangerous road?
By volume of serious injury it ranks 145 of the 150 numbered roads we analyse, and 135 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 A402 do collisions happen?
They concentrate in Hammersmith and Fulham, Kensington and Chelsea, Westminster. 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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