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CrashStats

Thornbury road accidents: crash map and statistics

Police recorded 507 road traffic collisions in Thornbury, South Gloucestershire, from 1979 to 2025, and 615 people were killed or injured in them. Of those collisions, 7 were fatal and 112 were serious.

In 2025 police recorded 8 collisions, the same number as in 2024.

Collisions since 1979
507
1,154th highest of 2,851 towns
Casualties
615
1.21 per collision
Fatal collisions
7
7 people killed
Serious collisions
112
125 seriously injured
Collisions in 2025
8
8 in 2024
Casualties in 2025
8
8 in 2024

Road collision statistics for Thornbury

Collisions by severity, 1979 to 2025

  • Fatal71.4%
  • Serious11222%
  • Slight38877%

What the data shows

  • Thornbury had 58 collisions from 2016 to 2025, 19% fewer than the 72 from 2006 to 2015.
  • 23% of collisions in Thornbury were fatal or serious, against 20% across Great Britain.
  • 98 children under 16 were killed or injured in Thornbury, 16% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 29% of collisions in Thornbury.

Where Thornbury ranks among 2,851 towns

Most collisions
1,154th
Most casualties
1,183rd
Most fatal collisions
1,110th
Most serious collisions
1,060th

Collisions by day of the week

  • Monday75 (15%)
  • Tuesday67 (13%)
  • Wednesday65 (13%)
  • Thursday85 (17%)
  • Friday101 (20%)
  • Saturday67 (13%)
  • Sunday47 (9.3%)

Light conditions

  • Daylight382 (75%)
  • Dark, street lights lit108 (21%)
  • Dark, lighting unknown9 (1.8%)
  • Dark, no street lighting6 (1.2%)
  • Dark, street lights unlit2 (0.4%)

Type of road

  • Single carriageway476 (94%)
  • Roundabout25 (4.9%)
  • Dual carriageway4 (0.8%)
  • Not recorded2 (0.4%)

Speed limit at the scene

  • 20 mph4 (0.8%)
  • 30 mph404 (80%)
  • 40 mph71 (14%)
  • 50 mph1 (0.2%)
  • 60 mph25 (4.9%)
  • 70 mph2 (0.4%)

Weather at the time

  • Fine, no high winds416 (82%)
  • Raining, no high winds50 (9.9%)
  • Raining with high winds11 (2.2%)
  • Fine with high winds4 (0.8%)
  • Fog or mist2 (0.4%)
  • Snowing, no high winds2 (0.4%)
  • Snowing with high winds1 (0.2%)
  • Other11 (2.2%)
  • Not recorded10 (2%)

Who was hurt

  • Car occupant237 (39%)
  • Pedestrian141 (23%)
  • Motorcyclist138 (22%)
  • Cyclist80 (13%)
  • Van occupant9 (1.5%)
  • Bus or coach occupant6 (1%)
  • Agricultural vehicle occupant1 (0.2%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (0.2%)
  • Minibus occupant1 (0.2%)
  • Not recorded1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Thornbury road accidents by year

Collisions and casualties in Thornbury, 1979 to 2025

Collisions in Thornbury peaked at 31 in 1982; 2025 had 8.

  • Collisions
  • Collisions in 2025: 8
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202588
202488
202346
202278
202167
2020910
201944
201837
201733
201666
201577
201499
201357
201222
20111011
201078
200968
2008911
200779
20061012
2005810
20041215
20031314
2002916
20011215
20001113
19991015
19981215
1997610
1996611
199577
1994911
19931214
19921316
199177
19901617
198999
19881819
19871618
19862022
19852128
19842227
19831924
19823141
19812630
19801415
19791825

Map of recent crashes in Thornbury

Map of the 24 most recent crashes in Thornbury

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Recent road crashes in Thornbury

The 24 most recent collisions in Thornbury happened between 16 September 2022 and 14 November 2025.

Severity

Crashes by road in Thornbury

Of the 507 collisions in Thornbury, 154 were on the B4061.

Collisions in Thornbury on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stB4061154178333

Council area for Thornbury

Thornbury is in South Gloucestershire, where police recorded 31,003 collisions from 1979 to 2025. Thornbury accounts for 1.6% of them.

Postcode district for Thornbury

All 507 collisions in Thornbury were in the BS35 postcode district.