A road · official DfT records · 2021–2025

The A350: where people are seriously hurt

Over 2021–2025, 115 people were killed or seriously injured in 102 collisions on the A350, making it the 117th worst numbered road in Britain by that measure.

102

serious or fatal collisions

115

people killed or seriously injured

11

collisions that took a life

#117

of 150 numbered roads

What the record shows

The A350 carries 445 recorded injury collisions over the period, 102 of them serious or fatal. Serious injury concentrates in Wiltshire, Dorset, Bournemouth, Christchurch and Poole. 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 2025 with 28 serious collisions, and the count is up 47% between 2021 and 2025.

The map

Every serious and fatal collision on the A350

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

  • Wiltshire62 KSI
  • Dorset25 KSI
  • Bournemouth, Christchurch and Poole15 KSI

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

By year

The trend

Serious and fatal collisions on the A350

2025: 28 (up 40% on the year before) · peak 28 in 2025 · +47.4% across the period

192021192022162023202024282025

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

Questions

About the A350

How many accidents happen on the A350?

Police recorded 445 injury collisions on the A350 over 2021–2025, of which 102 were fatal or serious. Those serious collisions left 115 people killed or seriously injured, including 11 fatal collisions.

Is the A350 a dangerous road?

By volume of serious injury it ranks 117 of the 150 numbered roads we analyse, and 107 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 A350 do collisions happen?

They concentrate in Wiltshire, Dorset, Bournemouth, Christchurch and Poole. 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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