A road · official DfT records · 2021–2025

The A329: where people are seriously hurt

Over 2021–2025, 132 people were killed or seriously injured in 124 collisions on the A329, making it the 89th worst numbered road in Britain by that measure.

124

serious or fatal collisions

132

people killed or seriously injured

9

collisions that took a life

#89

of 150 numbered roads

What the record shows

The A329 carries 632 recorded injury collisions over the period, 124 of them serious or fatal. Serious injury concentrates in Reading, Wokingham, Bracknell Forest, with 3 further areas also recording collisions. Its fatal share, 7%, 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 33 serious collisions, and the count is up 78% between 2021 and 2025.

The map

Every serious and fatal collision on the A329

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

  • Reading54 KSI
  • Wokingham27 KSI
  • Bracknell Forest15 KSI
  • Windsor and Maidenhead12 KSI
  • South Oxfordshire10 KSI
  • West Berkshire6 KSI

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

By year

The trend

Serious and fatal collisions on the A329

2025: 32 (up 128.6% on the year before) · peak 33 in 2022 · +77.8% across the period

182021332022272023142024322025

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

Questions

About the A329

How many accidents happen on the A329?

Police recorded 632 injury collisions on the A329 over 2021–2025, of which 124 were fatal or serious. Those serious collisions left 132 people killed or seriously injured, including 9 fatal collisions.

Is the A329 a dangerous road?

By volume of serious injury it ranks 89 of the 150 numbered roads we analyse, and 82 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 A329 do collisions happen?

They concentrate in Reading, Wokingham, Bracknell Forest. 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 →