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CrashStats

A431 accidents: crash map and statistics

Police recorded 1,351 collisions on the A431 from 1979 to 2025, with 1,732 casualties. Of those crashes, 23 were fatal and 263 serious, and 24 people were killed.

In 2025 there were 13 collisions on the A431, down 24% from 17 in 2024, with 17 casualties.

Collisions since 1979
1,351
820th highest of 4,923 roads
Casualties
1,732
1.28 per collision
Fatal collisions
23
24 people killed
Serious collisions
263
304 seriously injured
Collisions in 2025
13
Down 24% on 2024
Casualties in 2025
17
Down 43% on 2024

Crash severity on the A431

On the A431, 1.7% of collisions were fatal and 19% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal231.7%
  • Serious26319%
  • Slight1,06579%

Where the A431 ranks among 4,923 roads

Most collisions
820th
Most casualties
856th
Most fatal collisions
870th
Most serious collisions
820th

A431 accidents by year

Collisions on the A431 peaked at 61 in 1983 and were down to 13 in 2025.

Collisions and casualties on the A431, 1979 to 2025

  • Collisions
  • Collisions in 2025: 13
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251317
20241730
20231315
20221418
20211618
20202025
20191214
20181928
201758
20162329
20151522
20141723
20132327
20122025
20112528
20101723
20092426
20082027
20072732
20062327
20052533
20042534
20032833
20022737
20013037
20003846
19994049
19983545
19972535
19962235
19953136
19942938
19932838
19922532
19911928
19903049
19893539
19883232
19874765
19865260
19854960
19845468
19836180
19824659
19815375
19805267
19795060

When crashes happen on the A431

Tuesday has the most collisions on the A431 (220), and 3pm to 6pm is the busiest time of day (312).

Collisions by day of the week

  • Monday214 (16%)
  • Tuesday220 (16%)
  • Wednesday188 (14%)
  • Thursday192 (14%)
  • Friday219 (16%)
  • Saturday189 (14%)
  • Sunday129 (9.5%)

Collisions by time of day

  • Midnight to 3am58 (4.3%)
  • 3am to 6am22 (1.6%)
  • 6am to 9am229 (17%)
  • 9am to noon148 (11%)
  • Noon to 3pm197 (15%)
  • 3pm to 6pm312 (23%)
  • 6pm to 9pm205 (15%)
  • 9pm to midnight180 (13%)

Collisions by month

  • January135 (10%)
  • February95 (7%)
  • March95 (7%)
  • April110 (8.1%)
  • May112 (8.3%)
  • June121 (9%)
  • July103 (7.6%)
  • August103 (7.6%)
  • September89 (6.6%)
  • October124 (9.2%)
  • November137 (10%)
  • December127 (9.4%)

Light conditions at the time

  • Daylight905 (67%)
  • Dark, street lights lit370 (27%)
  • Dark, no street lighting44 (3.3%)
  • Dark, lighting unknown28 (2.1%)
  • Dark, street lights unlit4 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A431 crashes

On the A431, 76% of collisions happened where the speed limit was 30 mph and 68% on a dry road surface.

Speed limit at the scene

  • 20 mph18 (1.3%)
  • 30 mph1,023 (76%)
  • 40 mph169 (13%)
  • 50 mph2 (0.1%)
  • 60 mph125 (9.3%)
  • 70 mph14 (1%)

Weather at the time

  • Fine, no high winds1,064 (79%)
  • Raining, no high winds191 (14%)
  • Fine with high winds21 (1.6%)
  • Raining with high winds19 (1.4%)
  • Other44 (3.3%)
  • Not recorded12 (0.9%)

Road surface

  • Dry921 (68%)
  • Wet or damp403 (30%)
  • Frost or ice25 (1.9%)
  • Flood over 3cm deep1 (0.1%)
  • Snow1 (0.1%)

Type of road

  • Single carriageway1,248 (92%)
  • Roundabout80 (5.9%)
  • Dual carriageway11 (0.8%)
  • One way street or slip road2 (0.1%)
  • Not recorded10 (0.7%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A431 crashes

Car occupants make up 52% of the people killed or injured on the A431, followed by motorcyclists (21%).

Casualties by road user

  • Car occupant909 (52%)
  • Motorcyclist372 (21%)
  • Pedestrian245 (14%)
  • Cyclist127 (7.3%)
  • Bus or coach occupant29 (1.7%)
  • Van occupant20 (1.2%)
  • Other28 (1.6%)
  • Not recorded2 (0.1%)

Vehicles involved

  • Car1,805 (71%)
  • Motorcycle388 (15%)
  • Pedal cycle131 (5.2%)
  • Van or goods vehicle up to 3.5 tonnes80 (3.1%)
  • Goods vehicle over 3.5 tonnes47 (1.9%)
  • Bus or coach38 (1.5%)
  • Other50 (2%)
  • Not recorded1 (under 0.1%)

Casualties by age

  • 0 to 531 (1.8%)
  • 6 to 1042 (2.4%)
  • 11 to 15101 (5.8%)
  • 16 to 20410 (24%)
  • 21 to 25240 (14%)
  • 26 to 35343 (20%)
  • 36 to 45196 (11%)
  • 46 to 55142 (8.2%)
  • 56 to 65113 (6.5%)
  • 66 to 7554 (3.1%)
  • Over 7557 (3.3%)
  • Not recorded3 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider1,102 (64%)
  • Passenger385 (22%)
  • Pedestrian245 (14%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A431

Map of the 25 most recent crashes on the A431

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

  • 25 crashes
  • Serious
  • Slight

A431 crashes by council area

Collisions on the A431 were recorded in 3 council areas. South Gloucestershire has the most, with 716, followed by Bristol (388) and Bath and North East Somerset (247).

Collisions on the A431 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSouth Gloucestershire71691012150
2ndBristol388481256
3rdBath and North East Somerset247341957

A431 crashes by town

Collisions on the A431 were recorded in 3 towns and built-up areas, led by Kingswood and Fishponds (593) and Bristol (380).

Recent crashes on the A431

These are the 25 most recent collisions on the A431, from 25 May 2024 to 22 October 2025.

Severity