The A3220: where people are seriously hurt
Over 2021–2025, 125 people were killed or seriously injured in 118 collisions on the A3220, making it the 98th worst numbered road in Britain by that measure.
118
serious or fatal collisions
125
people killed or seriously injured
7
collisions that took a life
#98
of 150 numbered roads
What the record shows
The A3220 carries 513 recorded injury collisions over the period, 118 of them serious or fatal. Serious injury concentrates in Kensington and Chelsea, Wandsworth, Hammersmith and Fulham. Its fatal share, 6%, sits close to the 7% average for the numbered network. Most collisions were recorded on 20 mph sections. The worst year of the period was 2025 with 29 serious collisions, and the count is up 81% between 2021 and 2025.
Every serious and fatal collision on the A3220
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
- Kensington and Chelsea86 KSI
- Wandsworth29 KSI
- Hammersmith and Fulham3 KSI
Local authority areas with the most serious collisions on this road.
The trend
Serious and fatal collisions on the A3220
2025: 29 (up 7.4% on the year before) · peak 29 in 2025 · +81.3% across the period
Axis clipped to the data range to show year-on-year movement.
About the A3220
How many accidents happen on the A3220?
Police recorded 513 injury collisions on the A3220 over 2021–2025, of which 118 were fatal or serious. Those serious collisions left 125 people killed or seriously injured, including 7 fatal collisions.
Is the A3220 a dangerous road?
By volume of serious injury it ranks 98 of the 150 numbered roads we analyse, and 90 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 A3220 do collisions happen?
They concentrate in Kensington and Chelsea, Wandsworth, Hammersmith and Fulham. 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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