A road · official DfT records · 2021–2025

The A25: where people are seriously hurt

Over 2021–2025, 152 people were killed or seriously injured in 137 collisions on the A25, making it the 75th worst numbered road in Britain by that measure.

137

serious or fatal collisions

152

people killed or seriously injured

8

collisions that took a life

#75

of 150 numbered roads

What the record shows

The A25 carries 467 recorded injury collisions over the period, 137 of them serious or fatal. Serious injury concentrates in Guildford, Mole Valley, Tandridge, with 3 further areas also recording collisions. Its fatal share, 6%, 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 2022 with 36 serious collisions, and the count is up 70% between 2021 and 2025.

The map

Every serious and fatal collision on the A25

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

  • Guildford48 KSI
  • Mole Valley29 KSI
  • Tandridge24 KSI
  • Sevenoaks19 KSI
  • Reigate and Banstead9 KSI
  • Tonbridge and Malling8 KSI

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

By year

The trend

Serious and fatal collisions on the A25

2025: 34 (up 54.5% on the year before) · peak 36 in 2022 · +70% across the period

202021362022252023222024342025

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

Questions

About the A25

How many accidents happen on the A25?

Police recorded 467 injury collisions on the A25 over 2021–2025, of which 137 were fatal or serious. Those serious collisions left 152 people killed or seriously injured, including 8 fatal collisions.

Is the A25 a dangerous road?

By volume of serious injury it ranks 75 of the 150 numbered roads we analyse, and 69 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 A25 do collisions happen?

They concentrate in Guildford, Mole Valley, Tandridge. 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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