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CrashStats

B408 accidents: crash map and statistics

Police recorded 809 collisions on the B408 from 1979 to 2025, with 927 casualties. Of those crashes, 3 were fatal and 127 serious, and 3 people were killed.

In 2025 there were 10 collisions on the B408, up 150% from 4 in 2024, with 10 casualties.

Collisions since 1979
809
1,319th highest of 4,923 roads
Casualties
927
1.15 per collision
Fatal collisions
3
3 people killed
Serious collisions
127
138 seriously injured
Collisions in 2025
10
Up 150% on 2024
Casualties in 2025
10
Up 150% on 2024

Crash severity on the B408

On the B408, 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%
  • Serious12716%
  • Slight67984%

Where the B408 ranks among 4,923 roads

Most collisions
1,319th
Most casualties
1,522nd
Most fatal collisions
3,114th
Most serious collisions
1,582nd

B408 accidents by year

Collisions on the B408 peaked at 29 in 2002 and were down to 10 in 2025.

Collisions and casualties on the B408, 1979 to 2025

  • Collisions
  • Collisions in 2025: 10
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251010
202444
202399
20221012
202166
20201012
20191011
20181821
20171819
20161822
20151720
20141819
20131416
20121517
20112330
20101112
20091213
20081415
20072024
200699
20051214
20041720
20031416
20022931
20011819
20001922
19991925
19982021
19971820
19962225
19952528
19942121
19931919
19922122
19912123
19901921
19892126
19881822
19871518
19862731
19851920
19842529
19832528
19822026
19811515
19802436
19792028

When crashes happen on the B408

Friday has the most collisions on the B408 (154), and 3pm to 6pm is the busiest time of day (167).

Collisions by day of the week

  • Monday118 (15%)
  • Tuesday123 (15%)
  • Wednesday110 (14%)
  • Thursday96 (12%)
  • Friday154 (19%)
  • Saturday113 (14%)
  • Sunday95 (12%)

Collisions by time of day

  • Midnight to 3am30 (3.7%)
  • 3am to 6am18 (2.2%)
  • 6am to 9am81 (10%)
  • 9am to noon133 (16%)
  • Noon to 3pm113 (14%)
  • 3pm to 6pm167 (21%)
  • 6pm to 9pm146 (18%)
  • 9pm to midnight121 (15%)

Collisions by month

  • January51 (6.3%)
  • February56 (6.9%)
  • March73 (9%)
  • April68 (8.4%)
  • May56 (6.9%)
  • June69 (8.5%)
  • July85 (11%)
  • August65 (8%)
  • September71 (8.8%)
  • October67 (8.3%)
  • November89 (11%)
  • December59 (7.3%)

Light conditions at the time

  • Daylight526 (65%)
  • Dark, street lights lit271 (33%)
  • Dark, lighting unknown10 (1.2%)
  • Dark, street lights unlit2 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B408 crashes

On the B408, 92% of collisions happened where the speed limit was 30 mph and 76% on a dry road surface.

Speed limit at the scene

  • 20 mph56 (6.9%)
  • 30 mph747 (92%)
  • 40 mph3 (0.4%)
  • 50 mph1 (0.1%)
  • 60 mph2 (0.2%)

Weather at the time

  • Fine, no high winds614 (76%)
  • Raining, no high winds123 (15%)
  • Raining with high winds5 (0.6%)
  • Fine with high winds2 (0.2%)
  • Other51 (6.3%)
  • Not recorded14 (1.7%)

Road surface

  • Dry614 (76%)
  • Wet or damp178 (22%)
  • Frost or ice5 (0.6%)
  • Flood over 3cm deep1 (0.1%)
  • Other2 (0.2%)
  • Not recorded9 (1.1%)

Type of road

  • Single carriageway702 (87%)
  • Dual carriageway30 (3.7%)
  • Roundabout15 (1.9%)
  • One way street or slip road10 (1.2%)
  • Not recorded52 (6.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B408 crashes

Pedestrians make up 35% of the people killed or injured on the B408, followed by car occupants (31%).

Casualties by road user

  • Pedestrian322 (35%)
  • Car occupant283 (31%)
  • Motorcyclist155 (17%)
  • Cyclist104 (11%)
  • Bus or coach occupant36 (3.9%)
  • Taxi or private hire car occupant13 (1.4%)
  • Van occupant10 (1.1%)
  • Other4 (0.4%)

Vehicles involved

  • Car863 (65%)
  • Motorcycle174 (13%)
  • Pedal cycle110 (8.3%)
  • Van or goods vehicle up to 3.5 tonnes69 (5.2%)
  • Bus or coach48 (3.6%)
  • Taxi or private hire car32 (2.4%)
  • Goods vehicle over 3.5 tonnes15 (1.1%)
  • Other11 (0.8%)

Casualties by age

  • 0 to 518 (1.9%)
  • 6 to 1035 (3.8%)
  • 11 to 1545 (4.9%)
  • 16 to 2064 (6.9%)
  • 21 to 25135 (15%)
  • 26 to 35218 (24%)
  • 36 to 45143 (15%)
  • 46 to 5591 (9.8%)
  • 56 to 6556 (6%)
  • 66 to 7542 (4.5%)
  • Over 7524 (2.6%)
  • Not recorded56 (6%)

Drivers, passengers and pedestrians

  • Driver or rider458 (49%)
  • Pedestrian322 (35%)
  • Passenger147 (16%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B408

Map of the 25 most recent crashes on the B408

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

  • 25 crashes
  • Serious
  • Slight

B408 crashes by council area

Of the 809 collisions on the B408, 807 were in Hammersmith and Fulham.

Collisions on the B408 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stHammersmith and Fulham8079253127

B408 crashes by town

Collisions on the B408 were recorded in 2 towns and built-up areas, led by Hammersmith and Fulham (723) and Ealing (10).

Recent crashes on the B408

These are the 25 most recent collisions on the B408, from 1 November 2022 to 20 December 2025.

Severity