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CrashStats

SN1 road accidents: crash map and statistics

Police recorded 5,363 road traffic collisions in the SN1 postcode district, Swindon, from 1979 to 2025, and 6,601 people were killed or injured in them. Of those collisions, 37 were fatal and 829 were serious.

In 2025 police recorded 66 collisions, up 8% on 2024 (61).

Collisions since 1979
5,363
470th highest of 2,813 postcode districts
Casualties
6,601
1.23 per collision
Fatal collisions
37
38 people killed
Serious collisions
829
895 seriously injured
Collisions in 2025
66
Up 8% on 2024
Casualties in 2025
79
Level with 2024

Road collision statistics for SN1

Collisions by severity, 1979 to 2025

  • Fatal370.7%
  • Serious82915%
  • Slight4,49784%

What the data shows

  • SN1 had 656 collisions from 2016 to 2025, 19% fewer than the 811 from 2006 to 2015.
  • 16% of collisions in SN1 were fatal or serious, against 20% across Great Britain.
  • 691 children under 16 were killed or injured in SN1, 10% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 31% of collisions in SN1.

Where SN1 ranks among 2,813 postcode districts

Most collisions
470th
Most casualties
564th
Most fatal collisions
1,608th
Most serious collisions
677th

Collisions by day of the week

  • Monday744 (14%)
  • Tuesday765 (14%)
  • Wednesday824 (15%)
  • Thursday801 (15%)
  • Friday908 (17%)
  • Saturday807 (15%)
  • Sunday514 (9.6%)

Light conditions

  • Daylight3,686 (69%)
  • Dark, street lights lit1,474 (27%)
  • Dark, no street lighting109 (2%)
  • Dark, street lights unlit75 (1.4%)
  • Dark, lighting unknown19 (0.4%)

Type of road

  • Single carriageway3,322 (62%)
  • One way street or slip road783 (15%)
  • Roundabout730 (14%)
  • Dual carriageway522 (9.7%)
  • Not recorded6 (0.1%)

Speed limit at the scene

  • 20 mph57 (1.1%)
  • 30 mph4,413 (82%)
  • 40 mph562 (10%)
  • 50 mph21 (0.4%)
  • 60 mph90 (1.7%)
  • 70 mph220 (4.1%)

Weather at the time

  • Fine, no high winds4,339 (81%)
  • Raining, no high winds656 (12%)
  • Raining with high winds100 (1.9%)
  • Fine with high winds93 (1.7%)
  • Fog or mist35 (0.7%)
  • Snowing, no high winds33 (0.6%)
  • Snowing with high winds1 (under 0.1%)
  • Other23 (0.4%)
  • Not recorded83 (1.5%)

Who was hurt

  • Car occupant2,746 (42%)
  • Pedestrian1,340 (20%)
  • Motorcyclist1,092 (17%)
  • Cyclist849 (13%)
  • Bus or coach occupant301 (4.6%)
  • Van occupant127 (1.9%)
  • Goods vehicle occupant (over 3.5 tonnes)61 (0.9%)
  • Taxi or private hire car occupant47 (0.7%)
  • Minibus occupant16 (0.2%)
  • Other vehicle occupant11 (0.2%)
  • Other4 (0.1%)
  • Not recorded7 (0.1%)

Source: Department for Transport, STATS19 road safety data

SN1 road accidents by year

Collisions and casualties in SN1, 1979 to 2025

Collisions in SN1 peaked at 191 in 1983; 2025 had 66.

  • Collisions
  • Collisions in 2025: 66
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20256679
20246179
20236677
20227591
20217589
20203538
20195973
20187384
20176987
20167789
20156985
20147391
20136274
201293111
20116881
20107087
200980102
200886105
2007110141
2006100125
2005105134
2004136168
2003135178
2002138184
2001144193
2000126147
1999118141
1998120145
1997131173
1996131168
1995116139
1994140183
1993122154
1992127151
1991133164
1990153182
1989146177
1988158186
1987140193
1986180230
1985162193
1984177209
1983191233
1982155182
1981170212
1980162193
1979180201

Map of recent crashes in SN1

Map of the 24 most recent crashes in SN1

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in SN1

The 24 most recent collisions in SN1 happened between 12 August and 19 December 2025.

Severity

Crashes by road in SN1

The B4289 has the most collisions in SN1, 576 of 5,363 (11%), followed by the A4289 (407).

Collisions in SN1 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stB4289576729490
2ndA4289407483357
3rdM4218365840
4thA420200222031
5thA4259178209019
6thA4361136168124
7thB4006133156021
8thA36190114024
9thA3102739107
10thA3455967012
11thB40054767313
12thA313192402
13thA429171901
14thA4311172301
15thA4312131403
16thB4143131600

Council area for SN1

SN1 is in Swindon, where police recorded 27,158 collisions from 1979 to 2025. SN1 accounts for 20% of them.

Towns in SN1

Collisions in SN1 were recorded in 2 towns, led by Swindon, Swindon (4,883) and Stratton St Margaret (33).