Skip to main content
CrashStats

SN9 road accidents: crash map and statistics

Police recorded 911 road traffic collisions in the SN9 postcode district, Wiltshire, from 1979 to 2025, and 1,291 people were killed or injured in them. Of those collisions, 14 were fatal and 214 were serious.

In 2025 police recorded 8 collisions, down from 14 in 2024.

Collisions since 1979
911
2,240th of 2,813 postcode districts, highest first
Casualties
1,291
1.42 per collision
Fatal collisions
14
14 people killed
Serious collisions
214
254 seriously injured
Collisions in 2025
8
14 in 2024
Casualties in 2025
9
17 in 2024

Road collision statistics for SN9

Collisions by severity, 1979 to 2025

  • Fatal141.5%
  • Serious21423%
  • Slight68375%

What the data shows

  • SN9 had 147 collisions from 2016 to 2025, 18% fewer than the 180 from 2006 to 2015.
  • 25% of collisions in SN9 were fatal or serious, against 20% across Great Britain.
  • 105 children under 16 were killed or injured in SN9, 8.1% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 39% of collisions in SN9.

Where SN9 ranks among 2,813 postcode districts

Most collisions
2,240th
Most casualties
2,231st
Most fatal collisions
2,302nd
Most serious collisions
2,203rd

Collisions by day of the week

  • Monday118 (13%)
  • Tuesday123 (14%)
  • Wednesday140 (15%)
  • Thursday151 (17%)
  • Friday148 (16%)
  • Saturday143 (16%)
  • Sunday88 (9.7%)

Light conditions

  • Daylight675 (74%)
  • Dark, no street lighting185 (20%)
  • Dark, street lights lit47 (5.2%)
  • Dark, lighting unknown3 (0.3%)
  • Dark, street lights unlit1 (0.1%)

Type of road

  • Single carriageway891 (98%)
  • Roundabout15 (1.6%)
  • One way street or slip road3 (0.3%)
  • Not recorded2 (0.2%)

Speed limit at the scene

  • 20 mph5 (0.5%)
  • 30 mph215 (24%)
  • 40 mph60 (6.6%)
  • 50 mph49 (5.4%)
  • 60 mph561 (62%)
  • 70 mph21 (2.3%)

Weather at the time

  • Fine, no high winds734 (81%)
  • Raining, no high winds105 (12%)
  • Fog or mist24 (2.6%)
  • Raining with high winds16 (1.8%)
  • Fine with high winds12 (1.3%)
  • Snowing with high winds4 (0.4%)
  • Snowing, no high winds4 (0.4%)
  • Other2 (0.2%)
  • Not recorded10 (1.1%)

Who was hurt

  • Car occupant826 (64%)
  • Motorcyclist179 (14%)
  • Pedestrian92 (7.1%)
  • Cyclist69 (5.3%)
  • Van occupant64 (5%)
  • Goods vehicle occupant (over 3.5 tonnes)23 (1.8%)
  • Bus or coach occupant17 (1.3%)
  • Other vehicle occupant9 (0.7%)
  • Minibus occupant6 (0.5%)
  • Horse rider3 (0.2%)
  • Other3 (0.2%)

Source: Department for Transport, STATS19 road safety data

SN9 road accidents by year

Collisions and casualties in SN9, 1979 to 2025

Collisions in SN9 peaked at 37 in 1981; 2025 had 8.

  • Collisions
  • Collisions in 2025: 8
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202589
20241417
20231922
20221010
20211519
20201214
20191826
20181517
20171721
20161925
20151319
20142536
20131316
20122656
20111215
20101319
20091626
20082036
20072127
20062133
20052438
20041415
20032442
20022227
20011726
20001927
19992027
19982641
19972631
19961620
19952443
19941119
19931216
19921213
19911824
19902535
19892435
19881727
19871827
19861924
19852437
19842936
19832433
19822633
19813752
19803240
19792440

Map of recent crashes in SN9

Map of the 24 most recent crashes in SN9

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in SN9

The 24 most recent collisions in SN9 happened between 3 November 2023 and 14 December 2025.

Severity

Crashes by road in SN9

The A345 has the most collisions in SN9, 310 of 911 (34%), followed by the A342 (162).

Collisions in SN9 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA345310429580
2ndA342162247240
3rdB3087111164322

Council area for SN9

SN9 is in Wiltshire, where police recorded 68,701 collisions from 1979 to 2025. SN9 accounts for 1.3% of them.

Town in SN9

Of the 911 collisions in SN9, 122 (13%) were in Pewsey.