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CrashStats

B308 accidents: crash map and statistics

Police recorded 418 collisions on the B308 from 1979 to 2025, with 460 casualties. Of those crashes, 3 were fatal and 55 serious, and 3 people were killed.

In 2025 there were 3 collisions on the B308, up from none in 2024, with 3 casualties.

Collisions since 1979
418
2,227th highest of 4,923 roads
Casualties
460
1.10 per collision
Fatal collisions
3
3 people killed
Serious collisions
55
57 seriously injured
Collisions in 2025
3
Up from none in 2024
Casualties in 2025
3
Up from none in 2024

Crash severity on the B308

On the B308, 0.7% of collisions were fatal and 13% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal30.7%
  • Serious5513%
  • Slight36086%

Where the B308 ranks among 4,923 roads

Most collisions
2,227th
Most casualties
2,527th
Most fatal collisions
3,114th
Most serious collisions
2,827th

B308 accidents by year

Collisions on the B308 peaked at 28 in 1999 and were down to 3 in 2025.

Collisions and casualties on the B308, 1979 to 2025

  • Collisions
  • Collisions in 2025: 3
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202533
202400
202300
202244
202133
202033
2019912
201800
201767
2016910
201533
20141111
20131010
20121315
20111518
201089
200977
2008910
20071314
200679
200545
20041212
200388
200266
20011316
20001620
19992828
19981416
19971718
19961212
1995810
199468
19931420
199289
19911011
19901313
198967
198823
198788
198644
198589
19841414
19831111
19821515
198188
19801415
197966

When crashes happen on the B308

Wednesday has the most collisions on the B308 (79), and 3pm to 6pm is the busiest time of day (86).

Collisions by day of the week

  • Monday51 (12%)
  • Tuesday65 (16%)
  • Wednesday79 (19%)
  • Thursday71 (17%)
  • Friday69 (17%)
  • Saturday45 (11%)
  • Sunday38 (9.1%)

Collisions by time of day

  • Midnight to 3am18 (4.3%)
  • 3am to 6am19 (4.5%)
  • 6am to 9am48 (11%)
  • 9am to noon57 (14%)
  • Noon to 3pm74 (18%)
  • 3pm to 6pm86 (21%)
  • 6pm to 9pm82 (20%)
  • 9pm to midnight34 (8.1%)

Collisions by month

  • January23 (5.5%)
  • February29 (6.9%)
  • March22 (5.3%)
  • April32 (7.7%)
  • May25 (6%)
  • June40 (9.6%)
  • July36 (8.6%)
  • August31 (7.4%)
  • September44 (11%)
  • October50 (12%)
  • November54 (13%)
  • December32 (7.7%)

Light conditions at the time

  • Daylight277 (66%)
  • Dark, street lights lit137 (33%)
  • Dark, lighting unknown2 (0.5%)
  • Dark, no street lighting2 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B308 crashes

On the B308, 95% of collisions happened where the speed limit was 30 mph and 71% on a dry road surface.

Speed limit at the scene

  • 20 mph12 (2.9%)
  • 30 mph399 (95%)
  • 40 mph1 (0.2%)
  • 60 mph6 (1.4%)

Weather at the time

  • Fine, no high winds314 (75%)
  • Raining, no high winds69 (17%)
  • Fine with high winds2 (0.5%)
  • Raining with high winds2 (0.5%)
  • Other29 (6.9%)
  • Not recorded2 (0.5%)

Road surface

  • Dry296 (71%)
  • Wet or damp118 (28%)
  • Frost or ice2 (0.5%)
  • Snow1 (0.2%)
  • Not recorded1 (0.2%)

Type of road

  • Single carriageway237 (57%)
  • Dual carriageway132 (32%)
  • Roundabout12 (2.9%)
  • One way street or slip road11 (2.6%)
  • Not recorded26 (6.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B308 crashes

Motorcyclists make up 35% of the people killed or injured on the B308, followed by pedestrians (27%).

Casualties by road user

  • Motorcyclist162 (35%)
  • Pedestrian125 (27%)
  • Car occupant74 (16%)
  • Cyclist57 (12%)
  • Taxi or private hire car occupant25 (5.4%)
  • Bus or coach occupant11 (2.4%)
  • Van occupant5 (1.1%)
  • Minibus occupant1 (0.2%)

Vehicles involved

  • Car275 (39%)
  • Motorcycle195 (28%)
  • Taxi or private hire car67 (9.5%)
  • Pedal cycle64 (9.1%)
  • Van or goods vehicle up to 3.5 tonnes49 (7%)
  • Bus or coach35 (5%)
  • Goods vehicle over 3.5 tonnes12 (1.7%)
  • Other7 (1%)

Casualties by age

  • 0 to 51 (0.2%)
  • 6 to 104 (0.9%)
  • 11 to 154 (0.9%)
  • 16 to 2043 (9.3%)
  • 21 to 2575 (16%)
  • 26 to 35142 (31%)
  • 36 to 4590 (20%)
  • 46 to 5543 (9.3%)
  • 56 to 6517 (3.7%)
  • 66 to 758 (1.7%)
  • Over 752 (0.4%)
  • Not recorded31 (6.7%)

Drivers, passengers and pedestrians

  • Driver or rider274 (60%)
  • Pedestrian125 (27%)
  • Passenger61 (13%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B308

Map of the 25 most recent crashes on the B308

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

  • 25 crashes
  • Serious
  • Slight

B308 crashes by council area

Collisions on the B308 were recorded in 2 council areas. Westminster has the most, with 404, followed by Dorset (8).

Collisions on the B308 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWestminster404444352
2ndDorset8800

B308 crashes by town

Of the 418 collisions on the B308, 368 were in the built-up area of City of Westminster.

Recent crashes on the B308

These are the 25 most recent collisions on the B308, from 7 July 2017 to 4 November 2025.

Severity