A road · official DfT records · 2021–2025

The A635: where people are seriously hurt

Over 2021–2025, 142 people were killed or seriously injured in 124 collisions on the A635, making it the 91th worst numbered road in Britain by that measure.

124

serious or fatal collisions

142

people killed or seriously injured

10

collisions that took a life

#91

of 150 numbered roads

What the record shows

The A635 carries 333 recorded injury collisions over the period, 124 of them serious or fatal. Serious injury concentrates in Barnsley, Tameside, Kirklees, with 3 further areas also recording collisions. Its fatal share, 8%, sits close to the 7% average for the numbered network. Most collisions were recorded on 30 mph sections. The worst year of the period was 2021 with 27 serious collisions, and the count is down 19% between 2021 and 2025.

The map

Every serious and fatal collision on the A635

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.

By area

Where along the route

  • Barnsley36 KSI
  • Tameside21 KSI
  • Kirklees20 KSI
  • Manchester20 KSI
  • Doncaster16 KSI
  • E080000388 KSI

Local authority areas with the most serious collisions on this road.

By year

The trend

Serious and fatal collisions on the A635

2025: 22 (down 12% on the year before) · peak 27 in 2021 · -18.5% across the period

272021232022272023252024222025

Axis clipped to the data range to show year-on-year movement.

Questions

About the A635

How many accidents happen on the A635?

Police recorded 333 injury collisions on the A635 over 2021–2025, of which 124 were fatal or serious. Those serious collisions left 142 people killed or seriously injured, including 10 fatal collisions.

Is the A635 a dangerous road?

By volume of serious injury it ranks 91 of the 150 numbered roads we analyse, and 84 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 A635 do collisions happen?

They concentrate in Barnsley, Tameside, Kirklees. 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.

Swift Assist data desk

Need this data for your own work?

Site and junction reports from £95, next working day. Free for community groups, campaigners and journalists.

Need a report or data cut? Reports from £95 →