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CrashStats

A402 accidents: crash map and statistics

Police recorded 4,151 collisions on the A402 from 1979 to 2025, with 4,656 casualties. Of those crashes, 18 were fatal and 599 serious, and 18 people were killed.

In 2025 there were 88 collisions on the A402, up 13% from 78 in 2024, with 97 casualties.

Collisions since 1979
4,151
261st highest of 4,923 roads
Casualties
4,656
1.12 per collision
Fatal collisions
18
18 people killed
Serious collisions
599
619 seriously injured
Collisions in 2025
88
Up 13% on 2024
Casualties in 2025
97
Up 10% on 2024

Crash severity on the A402

On the A402, 0.4% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal180.4%
  • Serious59914%
  • Slight3,53485%

Where the A402 ranks among 4,923 roads

Most collisions
261st
Most casualties
328th
Most fatal collisions
1,081st
Most serious collisions
335th

A402 accidents by year

Collisions on the A402 peaked at 171 in 2000 and were down to 88 in 2025.

Collisions and casualties on the A402, 1979 to 2025

  • Collisions
  • Collisions in 2025: 88
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20258897
20247888
202396104
2022101112
202194101
20208695
2019112128
2018106117
2017103110
2016116126
201599107
2014146164
2013106128
201299111
2011118131
2010122135
2009114129
2008109126
2007123131
2006108123
2005128157
2004125137
2003154182
2002156179
2001169188
2000171200
19996469
19984550
19974955
19965764
19955057
19945763
19936271
19925159
19916369
19906167
19895966
19883742
19874651
19865054
19855762
19845255
19836166
19826775
19813743
19805057
19794955

When crashes happen on the A402

Friday has the most collisions on the A402 (691), and 3pm to 6pm is the busiest time of day (859).

Collisions by day of the week

  • Monday560 (13%)
  • Tuesday646 (16%)
  • Wednesday663 (16%)
  • Thursday637 (15%)
  • Friday691 (17%)
  • Saturday519 (13%)
  • Sunday435 (10%)

Collisions by time of day

  • Midnight to 3am180 (4.3%)
  • 3am to 6am84 (2%)
  • 6am to 9am504 (12%)
  • 9am to noon608 (15%)
  • Noon to 3pm656 (16%)
  • 3pm to 6pm859 (21%)
  • 6pm to 9pm809 (19%)
  • 9pm to midnight451 (11%)

Collisions by month

  • January301 (7.3%)
  • February299 (7.2%)
  • March319 (7.7%)
  • April329 (7.9%)
  • May336 (8.1%)
  • June385 (9.3%)
  • July400 (9.6%)
  • August364 (8.8%)
  • September381 (9.2%)
  • October375 (9%)
  • November348 (8.4%)
  • December314 (7.6%)

Light conditions at the time

  • Daylight2,810 (68%)
  • Dark, street lights lit1,294 (31%)
  • Dark, lighting unknown29 (0.7%)
  • Dark, street lights unlit13 (0.3%)
  • Dark, no street lighting5 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A402 crashes

On the A402, 88% of collisions happened where the speed limit was 30 mph and 80% on a dry road surface.

Speed limit at the scene

  • 20 mph458 (11%)
  • 30 mph3,652 (88%)
  • 40 mph31 (0.7%)
  • 50 mph9 (0.2%)
  • 60 mph1 (under 0.1%)

Weather at the time

  • Fine, no high winds3,386 (82%)
  • Raining, no high winds466 (11%)
  • Fine with high winds24 (0.6%)
  • Raining with high winds19 (0.5%)
  • Other190 (4.6%)
  • Not recorded66 (1.6%)

Road surface

  • Dry3,312 (80%)
  • Wet or damp784 (19%)
  • Frost or ice10 (0.2%)
  • Snow7 (0.2%)
  • Other2 (under 0.1%)
  • Not recorded36 (0.9%)

Type of road

  • Single carriageway2,578 (62%)
  • Dual carriageway914 (22%)
  • One way street or slip road279 (6.7%)
  • Roundabout279 (6.7%)
  • Not recorded101 (2.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A402 crashes

Motorcyclists make up 23% of the people killed or injured on the A402, followed by pedestrians (22%).

Casualties by road user

  • Motorcyclist1,077 (23%)
  • Pedestrian1,044 (22%)
  • Cyclist1,010 (22%)
  • Car occupant984 (21%)
  • Bus or coach occupant324 (7%)
  • Taxi or private hire car occupant109 (2.3%)
  • Other96 (2.1%)
  • Not recorded12 (0.3%)

Vehicles involved

  • Car3,414 (48%)
  • Motorcycle1,213 (17%)
  • Pedal cycle1,050 (15%)
  • Bus or coach474 (6.7%)
  • Van or goods vehicle up to 3.5 tonnes385 (5.4%)
  • Taxi or private hire car361 (5.1%)
  • Goods vehicle over 3.5 tonnes111 (1.6%)
  • Other78 (1.1%)

Casualties by age

  • 0 to 547 (1%)
  • 6 to 1068 (1.5%)
  • 11 to 1597 (2.1%)
  • 16 to 20303 (6.5%)
  • 21 to 25620 (13%)
  • 26 to 351,377 (30%)
  • 36 to 45823 (18%)
  • 46 to 55531 (11%)
  • 56 to 65292 (6.3%)
  • 66 to 75149 (3.2%)
  • Over 75116 (2.5%)
  • Not recorded233 (5%)

Drivers, passengers and pedestrians

  • Driver or rider2,864 (62%)
  • Pedestrian1,044 (22%)
  • Passenger748 (16%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A402

Map of the 25 most recent crashes on the A402

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

  • 25 crashes
  • Serious
  • Slight

A402 crashes by council area

Collisions on the A402 were recorded in 4 council areas. Hammersmith and Fulham has the most, with 2,312, followed by Kensington and Chelsea (1,122) and Westminster (706).

Collisions on the A402 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stHammersmith and Fulham2,3122,5629314
2ndKensington and Chelsea1,1221,2572165
3rdWestminster7068257117
4thHounslow7801

A402 crashes by town

Collisions on the A402 were recorded in 4 towns and built-up areas, led by Hammersmith and Fulham (1,999) and Kensington and Chelsea (973).

Recent crashes on the A402

These are the 25 most recent collisions on the A402, from 4 September to 30 December 2025.

Severity