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CrashStats

Chippenham (Wiltshire) road accidents: crash map and statistics

Police recorded 2,663 road traffic collisions in Chippenham, Wiltshire, from 1979 to 2025, and 3,217 people were killed or injured in them. Of those collisions, 30 were fatal and 443 were serious.

In 2025 police recorded 40 collisions, up 43% on 2024 (28).

Collisions since 1979
2,663
368th highest of 2,851 towns
Casualties
3,217
1.21 per collision
Fatal collisions
30
31 people killed
Serious collisions
443
477 seriously injured
Collisions in 2025
40
Up 43% on 2024
Casualties in 2025
44
Up 33% on 2024

Road collision statistics for Chippenham

Collisions by severity, 1979 to 2025

  • Fatal301.1%
  • Serious44317%
  • Slight2,19082%

What the data shows

  • Chippenham had 331 collisions from 2016 to 2025, 13% fewer than the 380 from 2006 to 2015.
  • 18% of collisions in Chippenham were fatal or serious, against 20% across Great Britain.
  • 471 children under 16 were killed or injured in Chippenham, 15% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 32% of collisions in Chippenham.

Where Chippenham ranks among 2,851 towns

Most collisions
368th
Most casualties
381st
Most fatal collisions
346th
Most serious collisions
372nd

Collisions by day of the week

  • Monday398 (15%)
  • Tuesday396 (15%)
  • Wednesday404 (15%)
  • Thursday426 (16%)
  • Friday467 (18%)
  • Saturday349 (13%)
  • Sunday223 (8.4%)

Light conditions

  • Daylight1,985 (75%)
  • Dark, street lights lit612 (23%)
  • Dark, no street lighting32 (1.2%)
  • Dark, street lights unlit29 (1.1%)
  • Dark, lighting unknown5 (0.2%)

Type of road

  • Single carriageway2,044 (77%)
  • Roundabout313 (12%)
  • One way street or slip road280 (11%)
  • Dual carriageway23 (0.9%)
  • Not recorded3 (0.1%)

Speed limit at the scene

  • 20 mph11 (0.4%)
  • 30 mph2,145 (81%)
  • 40 mph340 (13%)
  • 50 mph24 (0.9%)
  • 60 mph131 (4.9%)
  • 70 mph12 (0.5%)

Weather at the time

  • Fine, no high winds2,151 (81%)
  • Raining, no high winds348 (13%)
  • Raining with high winds46 (1.7%)
  • Fine with high winds42 (1.6%)
  • Fog or mist20 (0.8%)
  • Snowing, no high winds6 (0.2%)
  • Snowing with high winds1 (under 0.1%)
  • Other12 (0.5%)
  • Not recorded37 (1.4%)

Who was hurt

  • Car occupant1,378 (43%)
  • Pedestrian612 (19%)
  • Motorcyclist594 (18%)
  • Cyclist513 (16%)
  • Van occupant45 (1.4%)
  • Goods vehicle occupant (over 3.5 tonnes)21 (0.7%)
  • Bus or coach occupant16 (0.5%)
  • Minibus occupant14 (0.4%)
  • Taxi or private hire car occupant11 (0.3%)
  • Other vehicle occupant8 (0.2%)
  • Other3 (0.1%)
  • Not recorded2 (0.1%)

Source: Department for Transport, STATS19 road safety data

Chippenham road accidents by year

Collisions and casualties in Chippenham, 1979 to 2025

Collisions in Chippenham peaked at 118 in 1985; 2025 had 40.

  • Collisions
  • Collisions in 2025: 40
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20254044
20242833
20232631
20222633
20213840
20202835
20194653
20184049
20172936
20163037
20153439
20145366
20133846
20123947
20113233
20103842
20092937
20083955
20073234
20064653
20053953
20044952
20034854
20024652
20016377
20006275
19995679
19986684
19975066
19965863
19955165
199476103
19936270
19925059
19915270
19908398
198989101
19886483
1987100117
198693113
1985118154
198492108
1983111132
19828093
198196112
198097120
1979101121

Map of recent crashes in Chippenham

Map of the 24 most recent crashes in Chippenham

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in Chippenham

The 24 most recent collisions in Chippenham happened between 24 April and 21 December 2025.

Severity

Crashes by road in Chippenham

The A4 has the most collisions in Chippenham, 615 of 2,663 (23%), followed by the A420 (468).

Collisions in Chippenham on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA46157581092
2ndA420468562473
3rdA350326423466
4thB4528113138217
5thB415887100119
6thA42980104119
7thB40695872110

Council area for Chippenham

Chippenham is in Wiltshire, where police recorded 68,701 collisions from 1979 to 2025. Chippenham accounts for 3.9% of them.

Postcode districts in Chippenham

Collisions in Chippenham were recorded in 2 postcode districts, led by SN15 (1,660) and SN14 (1,003).