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CrashStats

B306 accidents: crash map and statistics

Police recorded 849 collisions on the B306 from 1979 to 2025, with 945 casualties. Of those crashes, 3 were fatal and 136 serious, and 3 people were killed.

In 2025 there were 5 collisions on the B306, down 71% from 17 in 2024, with 5 casualties.

Collisions since 1979
849
1,257th highest of 4,923 roads
Casualties
945
1.11 per collision
Fatal collisions
3
3 people killed
Serious collisions
136
141 seriously injured
Collisions in 2025
5
Down 71% on 2024
Casualties in 2025
5
Down 72% on 2024

Crash severity on the B306

On the B306, 0.4% of collisions were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal30.4%
  • Serious13616%
  • Slight71084%

Where the B306 ranks among 4,923 roads

Most collisions
1,257th
Most casualties
1,498th
Most fatal collisions
3,114th
Most serious collisions
1,480th

B306 accidents by year

Collisions on the B306 peaked at 40 in 1979 and were down to 5 in 2025.

Collisions and casualties on the B306, 1979 to 2025

  • Collisions
  • Collisions in 2025: 5
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202555
20241718
20232020
20221517
20211920
20202728
20191819
20181616
20171212
20162325
2015911
20142122
20132023
20121719
20111010
20101111
200977
2008811
20071315
20061112
200577
20041616
20031620
20021618
20012530
20002224
19992022
19982631
19972530
19961921
19952325
19941922
19931923
19921515
19911214
19903438
19892023
19881923
19872022
19862329
19851920
19842631
19831212
19821619
19811819
19802323
19794047

When crashes happen on the B306

Tuesday has the most collisions on the B306 (149), and 6pm to 9pm is the busiest time of day (172).

Collisions by day of the week

  • Monday107 (13%)
  • Tuesday149 (18%)
  • Wednesday133 (16%)
  • Thursday135 (16%)
  • Friday137 (16%)
  • Saturday108 (13%)
  • Sunday80 (9.4%)

Collisions by time of day

  • Midnight to 3am24 (2.8%)
  • 3am to 6am5 (0.6%)
  • 6am to 9am157 (18%)
  • 9am to noon141 (17%)
  • Noon to 3pm123 (14%)
  • 3pm to 6pm151 (18%)
  • 6pm to 9pm172 (20%)
  • 9pm to midnight76 (9%)

Collisions by month

  • January61 (7.2%)
  • February53 (6.2%)
  • March68 (8%)
  • April58 (6.8%)
  • May91 (11%)
  • June78 (9.2%)
  • July78 (9.2%)
  • August63 (7.4%)
  • September82 (9.7%)
  • October77 (9.1%)
  • November69 (8.1%)
  • December71 (8.4%)

Light conditions at the time

  • Daylight629 (74%)
  • Dark, street lights lit212 (25%)
  • Dark, lighting unknown4 (0.5%)
  • Dark, street lights unlit4 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B306 crashes

On the B306, 92% of collisions happened where the speed limit was 30 mph and 81% on a dry road surface.

Speed limit at the scene

  • 20 mph70 (8.2%)
  • 30 mph779 (92%)

Weather at the time

  • Fine, no high winds667 (79%)
  • Raining, no high winds88 (10%)
  • Fine with high winds7 (0.8%)
  • Raining with high winds2 (0.2%)
  • Other76 (9%)
  • Not recorded9 (1.1%)

Road surface

  • Dry689 (81%)
  • Wet or damp149 (18%)
  • Frost or ice3 (0.4%)
  • Snow3 (0.4%)
  • Not recorded5 (0.6%)

Type of road

  • Single carriageway736 (87%)
  • Roundabout20 (2.4%)
  • Dual carriageway19 (2.2%)
  • One way street or slip road17 (2%)
  • Not recorded57 (6.7%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B306 crashes

Cyclists make up 29% of the people killed or injured on the B306, followed by car occupants (26%).

Casualties by road user

  • Cyclist273 (29%)
  • Car occupant242 (26%)
  • Motorcyclist230 (24%)
  • Pedestrian151 (16%)
  • Bus or coach occupant24 (2.5%)
  • Van occupant15 (1.6%)
  • Other8 (0.8%)
  • Not recorded2 (0.2%)

Vehicles involved

  • Car825 (54%)
  • Pedal cycle284 (19%)
  • Motorcycle244 (16%)
  • Van or goods vehicle up to 3.5 tonnes86 (5.7%)
  • Bus or coach34 (2.2%)
  • Taxi or private hire car19 (1.2%)
  • Goods vehicle over 3.5 tonnes17 (1.1%)
  • Other12 (0.8%)

Casualties by age

  • 0 to 55 (0.5%)
  • 6 to 1017 (1.8%)
  • 11 to 1532 (3.4%)
  • 16 to 20100 (11%)
  • 21 to 25135 (14%)
  • 26 to 35249 (26%)
  • 36 to 45159 (17%)
  • 46 to 55103 (11%)
  • 56 to 6560 (6.3%)
  • 66 to 7523 (2.4%)
  • Over 7519 (2%)
  • Not recorded43 (4.6%)

Drivers, passengers and pedestrians

  • Driver or rider688 (73%)
  • Pedestrian151 (16%)
  • Passenger106 (11%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B306

Map of the 25 most recent crashes on the B306

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

  • 25 crashes
  • Serious
  • Slight

B306 crashes by council area

Collisions on the B306 were recorded in 2 council areas. Wandsworth has the most, with 741, followed by Richmond upon Thames (103).

Collisions on the B306 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWandsworth7418231117
2ndRichmond upon Thames103116219

B306 crashes by town

Of the 849 collisions on the B306, 539 were in the built-up area of Wandsworth.

Recent crashes on the B306

These are the 25 most recent collisions on the B306, from 14 December 2023 to 31 October 2025.

Severity