Skip to main content
CrashStats

A331 accidents: crash map and statistics

Police recorded 1,194 collisions on the A331 from 1982 to 2025, with 1,727 casualties. Of those crashes, 10 were fatal and 149 serious, and 10 people were killed.

In 2025 there were 17 collisions on the A331, up 13% from 15 in 2024, with 25 casualties.

Collisions since 1982
1,194
919th highest of 4,923 roads
Casualties
1,727
1.45 per collision
Fatal collisions
10
10 people killed
Serious collisions
149
164 seriously injured
Collisions in 2025
17
Up 13% on 2024
Casualties in 2025
25
Up 14% on 2024

Crash severity on the A331

On the A331, 0.8% of collisions were fatal and 12% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1982 to 2025

  • Fatal100.8%
  • Serious14912%
  • Slight1,03587%

Where the A331 ranks among 4,923 roads

Most collisions
919th
Most casualties
860th
Most fatal collisions
1,701st
Most serious collisions
1,391st

A331 accidents by year

Collisions on the A331 peaked at 68 in 2009 and were down to 17 in 2025.

Collisions and casualties on the A331, 1982 to 2025

  • Collisions
  • Collisions in 2025: 17
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251725
20241522
20231314
20222845
20211929
20201921
20192434
20182029
20172129
20163652
20152333
20144565
20133957
20123757
20114468
20103546
200968103
20083155
200762101
20065481
20055278
20045778
20034972
20025882
20015769
20004369
19995984
19985272
19974358
19964357
19952940
199411
199300
199200
199100
199000
198900
198800
198700
198600
198500
198400
198300
198211

When crashes happen on the A331

Wednesday has the most collisions on the A331 (198), and 3pm to 6pm is the busiest time of day (254).

Collisions by day of the week

  • Monday168 (14%)
  • Tuesday177 (15%)
  • Wednesday198 (17%)
  • Thursday190 (16%)
  • Friday197 (16%)
  • Saturday134 (11%)
  • Sunday130 (11%)

Collisions by time of day

  • Midnight to 3am42 (3.5%)
  • 3am to 6am31 (2.6%)
  • 6am to 9am204 (17%)
  • 9am to noon176 (15%)
  • Noon to 3pm197 (16%)
  • 3pm to 6pm254 (21%)
  • 6pm to 9pm182 (15%)
  • 9pm to midnight108 (9%)

Collisions by month

  • January94 (7.9%)
  • February72 (6%)
  • March85 (7.1%)
  • April95 (8%)
  • May99 (8.3%)
  • June96 (8%)
  • July122 (10%)
  • August89 (7.5%)
  • September94 (7.9%)
  • October121 (10%)
  • November103 (8.6%)
  • December124 (10%)

Light conditions at the time

  • Daylight809 (68%)
  • Dark, street lights lit175 (15%)
  • Dark, no street lighting156 (13%)
  • Dark, lighting unknown49 (4.1%)
  • Dark, street lights unlit5 (0.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A331 crashes

On the A331, 59% of collisions happened where the speed limit was 70 mph and 67% on a dry road surface.

Speed limit at the scene

  • 30 mph105 (8.8%)
  • 40 mph73 (6.1%)
  • 50 mph210 (18%)
  • 60 mph97 (8.1%)
  • 70 mph709 (59%)

Weather at the time

  • Fine, no high winds907 (76%)
  • Raining, no high winds173 (14%)
  • Raining with high winds25 (2.1%)
  • Fine with high winds17 (1.4%)
  • Other39 (3.3%)
  • Not recorded33 (2.8%)

Road surface

  • Dry800 (67%)
  • Wet or damp360 (30%)
  • Frost or ice18 (1.5%)
  • Flood over 3cm deep12 (1%)
  • Other3 (0.3%)
  • Not recorded1 (0.1%)

Type of road

  • Dual carriageway852 (71%)
  • Roundabout226 (19%)
  • One way street or slip road64 (5.4%)
  • Single carriageway39 (3.3%)
  • Not recorded13 (1.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A331 crashes

Car occupants make up 80% of the people killed or injured on the A331, followed by motorcyclists (10%).

Casualties by road user

  • Car occupant1,376 (80%)
  • Motorcyclist172 (10%)
  • Van occupant62 (3.6%)
  • Cyclist35 (2%)
  • Pedestrian32 (1.9%)
  • Goods vehicle occupant (over 3.5 tonnes)25 (1.4%)
  • Other vehicle occupant8 (0.5%)
  • Other17 (1%)

Vehicles involved

  • Car1,915 (80%)
  • Motorcycle179 (7.5%)
  • Van or goods vehicle up to 3.5 tonnes137 (5.7%)
  • Goods vehicle over 3.5 tonnes76 (3.2%)
  • Pedal cycle37 (1.5%)
  • Other vehicle20 (0.8%)
  • Taxi or private hire car12 (0.5%)
  • Other13 (0.5%)

Casualties by age

  • 0 to 526 (1.5%)
  • 6 to 1022 (1.3%)
  • 11 to 1537 (2.1%)
  • 16 to 20235 (14%)
  • 21 to 25235 (14%)
  • 26 to 35434 (25%)
  • 36 to 45297 (17%)
  • 46 to 55221 (13%)
  • 56 to 6595 (5.5%)
  • 66 to 7553 (3.1%)
  • Over 7528 (1.6%)
  • Not recorded44 (2.5%)

Drivers, passengers and pedestrians

  • Driver or rider1,308 (76%)
  • Passenger387 (22%)
  • Pedestrian32 (1.9%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A331

Map of the 25 most recent crashes on the A331

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

  • 25 crashes
  • Serious
  • Slight

A331 crashes by council area

Collisions on the A331 were recorded in 5 council areas. Surrey Heath has the most, with 517, followed by Rushmoor (368) and Guildford (285).

Collisions on the A331 in each area, 1982 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSurrey Heath517763360
2ndRushmoor368516646
3rdGuildford285415138
4thHart142203
5thWaverley6602

A331 crashes by town

Collisions on the A331 were recorded in 4 towns and built-up areas, led by Farnborough (134) and Camberley (82).

Recent crashes on the A331

These are the 25 most recent collisions on the A331, from 7 May 2024 to 20 December 2025.

Severity