The A104: where people are seriously hurt
Over 2021–2025, 138 people were killed or seriously injured in 133 collisions on the A104, making it the 82th worst numbered road in Britain by that measure.
133
serious or fatal collisions
138
people killed or seriously injured
3
collisions that took a life
#82
of 150 numbered roads
What the record shows
The A104 carries 724 recorded injury collisions over the period, 133 of them serious or fatal. Serious injury concentrates in Waltham Forest, Hackney, Islington, with 2 further areas also recording collisions. Collisions here are less likely than average to be fatal (2% 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 30 serious collisions, and the count is down 10% between 2021 and 2025.
Every serious and fatal collision on the A104
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
- Waltham Forest45 KSI
- Hackney32 KSI
- Islington27 KSI
- Redbridge18 KSI
- Epping Forest11 KSI
Local authority areas with the most serious collisions on this road.
The trend
Serious and fatal collisions on the A104
2025: 27 (up 8% on the year before) · peak 30 in 2021 · -10% across the period
Axis clipped to the data range to show year-on-year movement.
About the A104
How many accidents happen on the A104?
Police recorded 724 injury collisions on the A104 over 2021–2025, of which 133 were fatal or serious. Those serious collisions left 138 people killed or seriously injured, including 3 fatal collisions.
Is the A104 a dangerous road?
By volume of serious injury it ranks 82 of the 150 numbered roads we analyse, and 76 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 A104 do collisions happen?
They concentrate in Waltham Forest, Hackney, Islington. 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.
Need this data for your own work?
Site and junction reports from £95, next working day. Free for community groups, campaigners and journalists.