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CrashStats

A231 accidents: crash map and statistics

Police recorded 1,200 collisions on the A231 from 1979 to 2025, with 1,560 casualties. Of those crashes, 11 were fatal and 221 serious, and 12 people were killed.

In 2025 there were 14 collisions on the A231, down 33% from 21 in 2024, with 18 casualties.

Collisions since 1979
1,200
917th highest of 4,923 roads
Casualties
1,560
1.30 per collision
Fatal collisions
11
12 people killed
Serious collisions
221
248 seriously injured
Collisions in 2025
14
Down 33% on 2024
Casualties in 2025
18
Down 42% on 2024

Crash severity on the A231

On the A231, 0.9% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal110.9%
  • Serious22118%
  • Slight96881%

Where the A231 ranks among 4,923 roads

Most collisions
917th
Most casualties
959th
Most fatal collisions
1,595th
Most serious collisions
964th

A231 accidents by year

Collisions on the A231 peaked at 56 in 1989 and were down to 14 in 2025.

Collisions and casualties on the A231, 1979 to 2025

  • Collisions
  • Collisions in 2025: 14
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251418
20242131
20232234
20222537
20212739
20202430
20192736
20182029
2017713
2016912
20152533
20143952
20134454
20122036
20112840
201038
200934
200856
200735
2006711
200556
200466
2003810
200212
20011621
200078
19993643
19983236
19973948
19963959
19954253
19943442
19933950
19923437
19913338
19904249
19895673
19884454
19872332
19862528
19854357
19843654
19833745
19824353
19813945
19803845
19793038

When crashes happen on the A231

Saturday has the most collisions on the A231 (196), and 3pm to 6pm is the busiest time of day (324).

Collisions by day of the week

  • Monday184 (15%)
  • Tuesday182 (15%)
  • Wednesday155 (13%)
  • Thursday170 (14%)
  • Friday194 (16%)
  • Saturday196 (16%)
  • Sunday119 (9.9%)

Collisions by time of day

  • Midnight to 3am62 (5.2%)
  • 3am to 6am10 (0.8%)
  • 6am to 9am105 (8.8%)
  • 9am to noon169 (14%)
  • Noon to 3pm251 (21%)
  • 3pm to 6pm324 (27%)
  • 6pm to 9pm153 (13%)
  • 9pm to midnight126 (11%)

Collisions by month

  • January99 (8.3%)
  • February83 (6.9%)
  • March104 (8.7%)
  • April94 (7.8%)
  • May96 (8%)
  • June94 (7.8%)
  • July85 (7.1%)
  • August78 (6.5%)
  • September108 (9%)
  • October107 (8.9%)
  • November141 (12%)
  • December111 (9.3%)

Light conditions at the time

  • Daylight850 (71%)
  • Dark, street lights lit326 (27%)
  • Dark, street lights unlit12 (1%)
  • Dark, lighting unknown7 (0.6%)
  • Dark, no street lighting5 (0.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A231 crashes

On the A231, 93% of collisions happened where the speed limit was 30 mph and 73% on a dry road surface.

Speed limit at the scene

  • 10 mph1 (0.1%)
  • 20 mph2 (0.2%)
  • 30 mph1,112 (93%)
  • 40 mph82 (6.8%)
  • 50 mph1 (0.1%)
  • 60 mph1 (0.1%)
  • 70 mph1 (0.1%)

Weather at the time

  • Fine, no high winds959 (80%)
  • Raining, no high winds179 (15%)
  • Snowing, no high winds6 (0.5%)
  • Raining with high winds5 (0.4%)
  • Other39 (3.3%)
  • Not recorded12 (1%)

Road surface

  • Dry878 (73%)
  • Wet or damp308 (26%)
  • Frost or ice7 (0.6%)
  • Snow5 (0.4%)
  • Not recorded2 (0.2%)

Type of road

  • Single carriageway808 (67%)
  • Dual carriageway245 (20%)
  • One way street or slip road85 (7.1%)
  • Roundabout55 (4.6%)
  • Not recorded7 (0.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A231 crashes

Car occupants make up 50% of the people killed or injured on the A231, followed by pedestrians (22%).

Casualties by road user

  • Car occupant782 (50%)
  • Pedestrian345 (22%)
  • Motorcyclist229 (15%)
  • Cyclist113 (7.2%)
  • Bus or coach occupant47 (3%)
  • Van occupant16 (1%)
  • Taxi or private hire car occupant11 (0.7%)
  • Other17 (1.1%)

Vehicles involved

  • Car1,493 (73%)
  • Motorcycle238 (12%)
  • Pedal cycle115 (5.6%)
  • Bus or coach84 (4.1%)
  • Van or goods vehicle up to 3.5 tonnes50 (2.4%)
  • Goods vehicle over 3.5 tonnes33 (1.6%)
  • Other37 (1.8%)
  • Not recorded7 (0.3%)

Casualties by age

  • 0 to 537 (2.4%)
  • 6 to 1035 (2.2%)
  • 11 to 1597 (6.2%)
  • 16 to 20315 (20%)
  • 21 to 25265 (17%)
  • 26 to 35277 (18%)
  • 36 to 45168 (11%)
  • 46 to 55137 (8.8%)
  • 56 to 6583 (5.3%)
  • 66 to 7558 (3.7%)
  • Over 7551 (3.3%)
  • Not recorded37 (2.4%)

Drivers, passengers and pedestrians

  • Driver or rider814 (52%)
  • Passenger401 (26%)
  • Pedestrian345 (22%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A231

Map of the 25 most recent crashes on the A231

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

  • 25 crashes
  • Serious
  • Slight

A231 crashes by council area

Of the 1,200 collisions on the A231, 1,197 were in Medway.

Collisions on the A231 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stMedway1,1971,55510221

A231 crashes by town

Collisions on the A231 were recorded in 2 towns and built-up areas, led by Gillingham, Medway (628) and Chatham (401).

Recent crashes on the A231

These are the 25 most recent collisions on the A231, from 17 September 2024 to 9 December 2025.

Severity