Skip to main content
CrashStats

SN25 road accidents: crash map and statistics

Collisions since 1979
1,516
1,962nd of 2,813 postcode districts, highest first
Casualties
2,041
1.35 per collision
Fatal collisions
16
17 people killed
Serious collisions
230
261 seriously injured
Collisions in 2025
34
Down 13% on 2024
Casualties in 2025
40
Down 11% on 2024

Road collision statistics for SN25

Collisions by severity, 1979 to 2025

  • Fatal161.1%
  • Serious23015%
  • Slight1,27084%

What the data shows

  • SN25 had 366 collisions from 2016 to 2025, about the same as the 371 from 2006 to 2015.
  • 16% of collisions in SN25 were fatal or serious, against 20% across Great Britain.
  • 313 children under 16 were killed or injured in SN25, 15% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 35% of collisions in SN25.

Where SN25 ranks among 2,813 postcode districts

Most collisions
1,962nd
Most casualties
1,991st
Most fatal collisions
2,259th
Most serious collisions
2,169th

Collisions by day of the week

  • Monday210 (14%)
  • Tuesday230 (15%)
  • Wednesday224 (15%)
  • Thursday202 (13%)
  • Friday243 (16%)
  • Saturday224 (15%)
  • Sunday183 (12%)

Light conditions

  • Daylight1,035 (68%)
  • Dark, street lights lit386 (25%)
  • Dark, no street lighting70 (4.6%)
  • Dark, street lights unlit14 (0.9%)
  • Dark, lighting unknown11 (0.7%)

Type of road

  • Single carriageway939 (62%)
  • Dual carriageway395 (26%)
  • Roundabout169 (11%)
  • One way street or slip road10 (0.7%)
  • Not recorded3 (0.2%)

Speed limit at the scene

  • 20 mph29 (1.9%)
  • 30 mph830 (55%)
  • 40 mph416 (27%)
  • 50 mph26 (1.7%)
  • 60 mph154 (10%)
  • 70 mph61 (4%)

Weather at the time

  • Fine, no high winds1,231 (81%)
  • Raining, no high winds169 (11%)
  • Raining with high winds34 (2.2%)
  • Fine with high winds18 (1.2%)
  • Fog or mist15 (1%)
  • Snowing, no high winds4 (0.3%)
  • Snowing with high winds2 (0.1%)
  • Other11 (0.7%)
  • Not recorded32 (2.1%)

Who was hurt

  • Car occupant1,211 (59%)
  • Motorcyclist269 (13%)
  • Pedestrian224 (11%)
  • Cyclist213 (10%)
  • Van occupant57 (2.8%)
  • Bus or coach occupant24 (1.2%)
  • Taxi or private hire car occupant14 (0.7%)
  • Goods vehicle occupant (over 3.5 tonnes)9 (0.4%)
  • Other vehicle occupant8 (0.4%)
  • Minibus occupant5 (0.2%)
  • Other5 (0.2%)
  • Not recorded2 (0.1%)

Source: Department for Transport, STATS19 road safety data

SN25 road accidents by year

Collisions and casualties in SN25, 1979 to 2025

Collisions in SN25 peaked at 54 in 2023; 2025 had 34.

  • Collisions
  • Collisions in 2025: 34
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253440
20243945
20235477
20224053
20213134
20203447
20193243
20182534
20173653
20164160
20153151
20143351
20133647
20123752
20113958
20103955
20093549
20083645
20073344
20065265
20053754
20045171
20033142
20023651
20013244
20003244
19993753
19983241
19972841
19963140
19952532
19942130
19931926
19922529
19912534
19902435
19892628
19883758
19872330
19863340
19853343
19843142
19832829
19822023
19812737
19801314
19792227

Map of recent crashes in SN25

Map of the 24 most recent crashes in SN25

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in SN25

The 24 most recent collisions in SN25 happened between 28 April and 5 December 2025.

Severity

Crashes by road in SN25

The B4534 has the most collisions in SN25, 270 of 1,516 (18%), followed by the B4006 (191).

Collisions in SN25 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stB4534270404341
2ndB4006191259430
3rdA419890139110
4thA41983129115
5thA43118211608
6thB4141345435
7thA3456801
8thB45873301

Council areas covering SN25

Collisions in SN25 were recorded in 2 council areas. Swindon has 1,505 of 1,516 (99%).

Collisions in SN25 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stSwindon1,5052,02216230
2ndWiltshire111900

Towns in SN25

Collisions in SN25 were recorded in 3 towns, led by Swindon, Swindon (921) and Broad Blunsdon (40).