The A470: where people are seriously hurt
Over 2021–2025, 197 people were killed or seriously injured in 155 collisions on the A470, making it the 62th worst numbered road in Britain by that measure.
155
serious or fatal collisions
197
people killed or seriously injured
17
collisions that took a life
#62
of 150 numbered roads
What the record shows
The A470 carries 462 recorded injury collisions over the period, 155 of them serious or fatal. Serious injury concentrates in Powys, Conwy, Gwynedd, with 3 further areas also recording collisions. Collisions here are more likely than average to be fatal: 11% against 7% across the numbered network, which usually points to higher speeds. Most collisions were recorded on 60 mph sections. The worst year of the period was 2022 with 37 serious collisions, and the count is up 4% between 2021 and 2025.
Every serious and fatal collision on the A470
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
- Powys104 KSI
- Conwy25 KSI
- Gwynedd10 KSI
- Rhondda Cynon Taf6 KSI
- Cardiff5 KSI
- Merthyr Tydfil5 KSI
Local authority areas with the most serious collisions on this road.
The trend
Serious and fatal collisions on the A470
2025: 28 (down 15.2% on the year before) · peak 37 in 2022 · +3.7% across the period
Axis clipped to the data range to show year-on-year movement.
About the A470
How many accidents happen on the A470?
Police recorded 462 injury collisions on the A470 over 2021–2025, of which 155 were fatal or serious. Those serious collisions left 197 people killed or seriously injured, including 17 fatal collisions.
Is the A470 a dangerous road?
By volume of serious injury it ranks 62 of the 150 numbered roads we analyse, and 56 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 A470 do collisions happen?
They concentrate in Powys, Conwy, Gwynedd. 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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