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CrashStats

SN6 road accidents: crash map and statistics

Police recorded 2,986 road traffic collisions in the SN6 postcode district, Wiltshire, from 1979 to 2025, and 4,413 people were killed or injured in them. Of those collisions, 86 were fatal and 667 were serious.

In 2025 police recorded 49 collisions, up 20% on 2024 (41).

Collisions since 1979
2,986
1,327th highest of 2,813 postcode districts
Casualties
4,413
1.48 per collision
Fatal collisions
86
99 people killed
Serious collisions
667
828 seriously injured
Collisions in 2025
49
Up 20% on 2024
Casualties in 2025
75
Up 50% on 2024

Road collision statistics for SN6

Collisions by severity, 1979 to 2025

  • Fatal862.9%
  • Serious66722%
  • Slight2,23375%

What the data shows

  • SN6 had 389 collisions from 2016 to 2025, 13% fewer than the 447 from 2006 to 2015.
  • 25% of collisions in SN6 were fatal or serious, against 20% across Great Britain.
  • 344 children under 16 were killed or injured in SN6, 7.9% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 39% of collisions in SN6.

Where SN6 ranks among 2,813 postcode districts

Most collisions
1,327th
Most casualties
1,185th
Most fatal collisions
429th
Most serious collisions
1,030th

Collisions by day of the week

  • Monday390 (13%)
  • Tuesday397 (13%)
  • Wednesday412 (14%)
  • Thursday437 (15%)
  • Friday521 (17%)
  • Saturday465 (16%)
  • Sunday364 (12%)

Light conditions

  • Daylight2,101 (70%)
  • Dark, no street lighting641 (21%)
  • Dark, street lights lit220 (7.4%)
  • Dark, lighting unknown13 (0.4%)
  • Dark, street lights unlit9 (0.3%)
  • Not recorded2 (0.1%)

Type of road

  • Single carriageway2,562 (86%)
  • Dual carriageway319 (11%)
  • Roundabout80 (2.7%)
  • One way street or slip road25 (0.8%)

Speed limit at the scene

  • 20 mph8 (0.3%)
  • 30 mph690 (23%)
  • 40 mph134 (4.5%)
  • 50 mph164 (5.5%)
  • 60 mph1,667 (56%)
  • 70 mph323 (11%)

Weather at the time

  • Fine, no high winds2,327 (78%)
  • Raining, no high winds390 (13%)
  • Raining with high winds67 (2.2%)
  • Fog or mist60 (2%)
  • Fine with high winds59 (2%)
  • Snowing, no high winds14 (0.5%)
  • Snowing with high winds5 (0.2%)
  • Other40 (1.3%)
  • Not recorded24 (0.8%)

Who was hurt

  • Car occupant3,066 (69%)
  • Motorcyclist524 (12%)
  • Pedestrian246 (5.6%)
  • Van occupant196 (4.4%)
  • Cyclist187 (4.2%)
  • Goods vehicle occupant (over 3.5 tonnes)95 (2.2%)
  • Other vehicle occupant30 (0.7%)
  • Bus or coach occupant28 (0.6%)
  • Minibus occupant23 (0.5%)
  • Taxi or private hire car occupant7 (0.2%)
  • Other11 (0.2%)

Source: Department for Transport, STATS19 road safety data

SN6 road accidents by year

Collisions and casualties in SN6, 1979 to 2025

Collisions in SN6 peaked at 110 in 1984; 2025 had 49.

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20254975
20244150
20233045
20224263
20213650
20202739
20194050
20184159
20173457
20164982
20154968
20144358
20134565
20123849
20114268
20103550
20093550
20084563
20074867
200667102
20055876
20045182
20036282
200271103
200184129
200079102
19996087
199882136
199788127
199679124
19954866
19946889
199378117
199284123
199179115
199087143
198980127
198869100
198783135
1986106149
1985100151
1984110169
198385140
1982109151
198183124
198090146
197977110

Map of recent crashes in SN6

Map of the 24 most recent crashes in SN6

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in SN6

The 24 most recent collisions in SN6 happened between 6 August and 23 December 2025.

Severity

Crashes by road in SN6

The A361 has the most collisions in SN6, 503 of 2,986 (17%), followed by the A419 (423).

Collisions in SN6 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA36150375514130
2ndA4194236551680
3rdA42033353016103
4thB4019244362844
5thB4040230377760
6thB4000150222133
7thB4696147220638
8thB4553507127
9thB4507324617
10thB4508294209
11thB4041263809
12thB40963301

Council areas covering SN6

Collisions in SN6 were recorded in 4 council areas. Wiltshire has 1,225 of 2,986 (41%).

Collisions in SN6 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stWiltshire1,2251,83135251
2ndSwindon1,1441,66728246
3rdVale of White Horse59788022162
4thCotswold203518

Towns in SN6

Collisions in SN6 were recorded in 3 towns, led by Highworth (389) and Shrivenham and Watchfield (129).