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CrashStats

B237 accidents: crash map and statistics

Police recorded 499 collisions on the B237 from 1979 to 2025, with 575 casualties. Of those crashes, 3 were fatal and 66 serious, and 3 people were killed.

In 2025 there were 5 collisions on the B237, level with 2024, with 5 casualties.

Collisions since 1979
499
1,971st highest of 4,923 roads
Casualties
575
1.15 per collision
Fatal collisions
3
3 people killed
Serious collisions
66
73 seriously injured
Collisions in 2025
5
Level with 2024
Casualties in 2025
5
Level with 2024

Crash severity on the B237

On the B237, 0.6% of collisions were fatal and 13% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal30.6%
  • Serious6613%
  • Slight43086%

Where the B237 ranks among 4,923 roads

Most collisions
1,971st
Most casualties
2,213th
Most fatal collisions
3,114th
Most serious collisions
2,569th

B237 accidents by year

Collisions on the B237 peaked at 25 in 1980 and were down to 5 in 2025.

Collisions and casualties on the B237, 1979 to 2025

  • Collisions
  • Collisions in 2025: 5
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202555
202455
2023810
202266
202199
20201112
20191111
2018910
201766
201622
201533
20141011
20131010
20121213
201155
201089
2009710
200822
200733
200600
200577
200477
200366
200244
200144
200078
199979
199888
199755
19961010
19951416
199477
19931315
19922224
19911921
19901112
19891416
19881518
19872022
19861519
19852223
19842027
19832227
19822432
19811927
19802529
19792030

When crashes happen on the B237

Thursday has the most collisions on the B237 (89), and 6pm to 9pm is the busiest time of day (108).

Collisions by day of the week

  • Monday64 (13%)
  • Tuesday81 (16%)
  • Wednesday75 (15%)
  • Thursday89 (18%)
  • Friday70 (14%)
  • Saturday71 (14%)
  • Sunday49 (9.8%)

Collisions by time of day

  • Midnight to 3am23 (4.6%)
  • 3am to 6am5 (1%)
  • 6am to 9am82 (16%)
  • 9am to noon55 (11%)
  • Noon to 3pm69 (14%)
  • 3pm to 6pm102 (20%)
  • 6pm to 9pm108 (22%)
  • 9pm to midnight55 (11%)

Collisions by month

  • January27 (5.4%)
  • February43 (8.6%)
  • March31 (6.2%)
  • April27 (5.4%)
  • May38 (7.6%)
  • June54 (11%)
  • July54 (11%)
  • August39 (7.8%)
  • September38 (7.6%)
  • October53 (11%)
  • November42 (8.4%)
  • December53 (11%)

Light conditions at the time

  • Daylight324 (65%)
  • Dark, street lights lit164 (33%)
  • Dark, lighting unknown9 (1.8%)
  • Dark, no street lighting1 (0.2%)
  • Dark, street lights unlit1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B237 crashes

On the B237, 93% of collisions happened where the speed limit was 30 mph and 73% on a dry road surface.

Speed limit at the scene

  • 20 mph34 (6.8%)
  • 30 mph465 (93%)

Weather at the time

  • Fine, no high winds347 (70%)
  • Raining, no high winds72 (14%)
  • Raining with high winds4 (0.8%)
  • Fine with high winds3 (0.6%)
  • Other69 (14%)
  • Not recorded4 (0.8%)

Road surface

  • Dry362 (73%)
  • Wet or damp127 (25%)
  • Snow5 (1%)
  • Frost or ice3 (0.6%)
  • Not recorded2 (0.4%)

Type of road

  • Single carriageway442 (89%)
  • One way street or slip road5 (1%)
  • Dual carriageway4 (0.8%)
  • Roundabout4 (0.8%)
  • Not recorded44 (8.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B237 crashes

Car occupants make up 37% of the people killed or injured on the B237, followed by pedestrians (20%).

Casualties by road user

  • Car occupant212 (37%)
  • Pedestrian115 (20%)
  • Motorcyclist113 (20%)
  • Cyclist106 (18%)
  • Van occupant15 (2.6%)
  • Bus or coach occupant5 (0.9%)
  • Other8 (1.4%)
  • Not recorded1 (0.2%)

Vehicles involved

  • Car574 (64%)
  • Motorcycle117 (13%)
  • Pedal cycle108 (12%)
  • Van or goods vehicle up to 3.5 tonnes57 (6.4%)
  • Taxi or private hire car13 (1.5%)
  • Bus or coach9 (1%)
  • Other vehicle7 (0.8%)
  • Other8 (0.9%)

Casualties by age

  • 0 to 57 (1.2%)
  • 6 to 1015 (2.6%)
  • 11 to 1523 (4%)
  • 16 to 2052 (9%)
  • 21 to 25108 (19%)
  • 26 to 35133 (23%)
  • 36 to 4588 (15%)
  • 46 to 5564 (11%)
  • 56 to 6528 (4.9%)
  • 66 to 7513 (2.3%)
  • Over 7514 (2.4%)
  • Not recorded30 (5.2%)

Drivers, passengers and pedestrians

  • Driver or rider378 (66%)
  • Pedestrian115 (20%)
  • Passenger82 (14%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B237

Map of the 25 most recent crashes on the B237

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

  • 25 crashes
  • Serious
  • Slight

B237 crashes by council area

Collisions on the B237 were recorded in 2 council areas. Wandsworth has the most, with 494, followed by Lambeth (5).

Collisions on the B237 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWandsworth494570364
2ndLambeth5502

B237 crashes by town

Of the 499 collisions on the B237, 420 were in the built-up area of Wandsworth.

Recent crashes on the B237

These are the 25 most recent collisions on the B237, from 17 December 2021 to 12 October 2025.

Severity