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CrashStats

A233 accidents: crash map and statistics

Police recorded 1,815 collisions on the A233 from 1979 to 2025, with 2,549 casualties. Of those crashes, 22 were fatal and 378 serious, and 22 people were killed.

In 2025 there were 17 collisions on the A233, down 6% from 18 in 2024, with 28 casualties.

Collisions since 1979
1,815
636th highest of 4,923 roads
Casualties
2,549
1.40 per collision
Fatal collisions
22
22 people killed
Serious collisions
378
435 seriously injured
Collisions in 2025
17
Down 6% on 2024
Casualties in 2025
28
Up 27% on 2024

Crash severity on the A233

On the A233, 1.2% of collisions were fatal and 21% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal221.2%
  • Serious37821%
  • Slight1,41578%

Where the A233 ranks among 4,923 roads

Most collisions
636th
Most casualties
609th
Most fatal collisions
902nd
Most serious collisions
569th

A233 accidents by year

Collisions on the A233 peaked at 76 in 1982 and were down to 17 in 2025.

Collisions and casualties on the A233, 1979 to 2025

  • Collisions
  • Collisions in 2025: 17
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251728
20241822
20231525
20222028
20211926
20201720
20192837
20182231
20173139
20162533
20152125
20142328
20132943
20122130
20112731
20102645
20093039
20082134
20072742
20063964
20054266
20044966
20033754
20025886
20014156
20004355
19994354
19984560
19976086
19964766
19955175
19944359
19934362
19924458
19914461
19904768
19894158
19883752
19874859
19865676
19854761
19845578
19835171
198276113
19815586
19806994
19796799

When crashes happen on the A233

Friday has the most collisions on the A233 (277), and 3pm to 6pm is the busiest time of day (405).

Collisions by day of the week

  • Monday270 (15%)
  • Tuesday240 (13%)
  • Wednesday236 (13%)
  • Thursday265 (15%)
  • Friday277 (15%)
  • Saturday269 (15%)
  • Sunday258 (14%)

Collisions by time of day

  • Midnight to 3am82 (4.5%)
  • 3am to 6am33 (1.8%)
  • 6am to 9am234 (13%)
  • 9am to noon250 (14%)
  • Noon to 3pm308 (17%)
  • 3pm to 6pm405 (22%)
  • 6pm to 9pm248 (14%)
  • 9pm to midnight255 (14%)

Collisions by month

  • January136 (7.5%)
  • February130 (7.2%)
  • March136 (7.5%)
  • April146 (8%)
  • May181 (10%)
  • June167 (9.2%)
  • July173 (9.5%)
  • August167 (9.2%)
  • September137 (7.5%)
  • October154 (8.5%)
  • November168 (9.3%)
  • December120 (6.6%)

Light conditions at the time

  • Daylight1,271 (70%)
  • Dark, street lights lit455 (25%)
  • Dark, no street lighting63 (3.5%)
  • Dark, lighting unknown13 (0.7%)
  • Dark, street lights unlit13 (0.7%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A233 crashes

On the A233, 73% of collisions happened where the speed limit was 30 mph and 66% on a dry road surface.

Speed limit at the scene

  • 20 mph3 (0.2%)
  • 30 mph1,320 (73%)
  • 40 mph345 (19%)
  • 50 mph9 (0.5%)
  • 60 mph138 (7.6%)

Weather at the time

  • Fine, no high winds1,279 (70%)
  • Raining, no high winds286 (16%)
  • Snowing, no high winds19 (1%)
  • Fine with high winds18 (1%)
  • Other201 (11%)
  • Not recorded12 (0.7%)

Road surface

  • Dry1,194 (66%)
  • Wet or damp555 (31%)
  • Frost or ice34 (1.9%)
  • Snow23 (1.3%)
  • Other7 (0.4%)
  • Not recorded2 (0.1%)

Type of road

  • Single carriageway1,553 (86%)
  • Dual carriageway85 (4.7%)
  • Roundabout46 (2.5%)
  • One way street or slip road3 (0.2%)
  • Not recorded128 (7.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A233 crashes

Car occupants make up 69% of the people killed or injured on the A233, followed by motorcyclists (14%).

Casualties by road user

  • Car occupant1,748 (69%)
  • Motorcyclist356 (14%)
  • Pedestrian148 (5.8%)
  • Cyclist140 (5.5%)
  • Van occupant94 (3.7%)
  • Bus or coach occupant32 (1.3%)
  • Goods vehicle occupant (over 3.5 tonnes)13 (0.5%)
  • Other18 (0.7%)

Vehicles involved

  • Car2,546 (76%)
  • Motorcycle345 (10%)
  • Van or goods vehicle up to 3.5 tonnes188 (5.6%)
  • Pedal cycle141 (4.2%)
  • Bus or coach53 (1.6%)
  • Goods vehicle over 3.5 tonnes46 (1.4%)
  • Other vehicle21 (0.6%)
  • Other16 (0.5%)

Casualties by age

  • 0 to 531 (1.2%)
  • 6 to 1045 (1.8%)
  • 11 to 15115 (4.5%)
  • 16 to 20578 (23%)
  • 21 to 25330 (13%)
  • 26 to 35433 (17%)
  • 36 to 45307 (12%)
  • 46 to 55257 (10%)
  • 56 to 65178 (7%)
  • 66 to 7579 (3.1%)
  • Over 7579 (3.1%)
  • Not recorded117 (4.6%)

Drivers, passengers and pedestrians

  • Driver or rider1,728 (68%)
  • Passenger673 (26%)
  • Pedestrian148 (5.8%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A233

Map of the 25 most recent crashes on the A233

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

  • 25 crashes
  • Serious
  • Slight

A233 crashes by council area

Collisions on the A233 were recorded in 3 council areas. Bromley has the most, with 1,616, followed by Sevenoaks (194) and Croydon (3).

Collisions on the A233 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBromley1,6162,25519320
2ndSevenoaks194288357
3rdCroydon3300

A233 crashes by town

Collisions on the A233 were recorded in 2 towns and built-up areas, led by Bromley (1,097) and Westerham (39).

Recent crashes on the A233

These are the 25 most recent collisions on the A233, from 10 July 2024 to 7 December 2025.

Severity