Crash View

A404 road traffic accidents

19,634 collisions recorded
1979 to 2025

The A404 appears in 19,634 collisions in the STATS19 data between 1979 and 2025, involving 24,292 casualties. Of these collisions, 220 were fatal and 3,208 were serious. Recorded collisions in 2025 were up 3% on 2024.

Is the A404 closed right now? See today's accidents, overnight closures and roadworks.

Live A404 closures today
All Severities Fatal Serious Slight
Fatal
220
Serious
3,208
Casualties
24,292
2025 247
2024 240
2023 255
2022 307
2021 240
2020 250
2019 284
2018 294
2017 286
2016 314
2015 322
2014 317
2013 276
2012 296
2011 268
2010 289
2009 307
2008 287
2007 306
2006 342
2005 341
2004 443
2003 443
2002 480
2001 494
2000 546
1999 510
1998 483
1997 514
1996 503
1995 461
1994 549
1993 515
1992 460
1991 470
1990 506
1989 525
1988 527
1987 544
1986 559
1985 536
1984 584
1983 616
1982 665
1981 553
1980 540
1979 540

Brent

4,899 recorded here

Westminster

2,028 recorded here

Harrow

1,340 recorded here

Wycombe

1,063 recorded here

Chiltern

471 recorded here

Hillingdon

438 recorded here

Browse all regions

Brent

3,760 recorded along the A404

City of Westminster

1,533 recorded along the A404

Harrow

1,135 recorded along the A404

High Wycombe

421 recorded along the A404

Hillingdon

311 recorded along the A404

Chorleywood

186 recorded along the A404

Browse all towns
Browse All Roads Search All Accidents

Accidents on the A404

Fatal
Serious
Slight
Click markers for details

Move Insights

Thinking of moving to this area?

Check flood risk, planning history, EPC ratings and more with a Move Insights property report.

Flood risk assessment
Planning history
EPC ratings & more
Get a property report

Recent Accidents

Showing 20 of 19,634 accidents

Accident 201301QK50310

Slight
51.5463, -0.2737
2 vehicles 1 casualty
HONDA SES125 TOYOTA AVENSIS
View Details

Accident 20134100C0498

Slight
51.6205, -0.4453
2 vehicles 2 casualties
Car RENAULT CLIO
View Details

Accident 201301QK50331

Slight
51.5400, -0.2538
1 vehicle 1 casualty
HONDA FR-V
View Details

Accident 201301QK50296

Slight
51.5535, -0.2910
2 vehicles 1 casualty
RENAULT SCENIC Motorcycle over 125cc and up to 500cc
View Details

Accident 201301QK50285

Slight
51.5463, -0.2739
2 vehicles 1 casualty
FORD TRANSIT Pedal cycle
View Details

Accident 201301QK50257

Serious
51.5521, -0.3026
1 vehicle 1 casualty
Car
View Details

Accident 201301QA10205

Slight
51.5826, -0.3535
2 vehicles 1 casualty
Pedal cycle Car
View Details

Accident 201301CW10712

Slight
51.5264, -0.2080
2 vehicles 1 casualty
PIAGGIO VESPA Car
View Details

Accident 201301QA10245

Serious
51.5834, -0.3557
2 vehicles 1 casualty
NISSAN ALMERA HONDA XL125V
View Details

Accident 201343N179053

Slight
51.5786, -0.7565
2 vehicles 2 casualties
VOLVO Model Missing MAZDA 6
View Details

Accident 201301CW10611

Slight
51.5238, -0.2009
2 vehicles 1 casualty
HONDA ANF126 Van / Goods 3.5 tonnes mgw or under
View Details

Accident 20134100C0403

Slight
51.6201, -0.4438
4 vehicles 1 casualty
Car Car Car BMW 1 SERIES
View Details

Accident 201301CW10578

Slight
51.5200, -0.1734
2 vehicles 1 casualty
Pedal cycle VAUXHALL INSIGNIA (4y)
View Details

Accident 201301QK50279

Slight
51.5531, -0.2861
1 vehicle 1 casualty
HONDA CIVIC
View Details

Accident 201301CW10581

Slight
51.5248, -0.2030
1 vehicle 1 casualty
Bus or coach (17 or more pass seats)
View Details

Accident 201343N089053

Slight
51.6564, -0.6991
1 vehicle 1 casualty
Motorcycle over 500cc
View Details

Accident 201301QK50249

Slight
51.5414, -0.2589
2 vehicles 1 casualty
PEUGEOT BIPPER FORD FOCUS
View Details

Accident 201301CW10548

Serious
51.5234, -0.1977
2 vehicles 1 casualty
IVECO DAILY (3y) YAMAHA NXC 125 (1y)
View Details

Accident 201343N104053

Slight
51.6548, -0.6503
2 vehicles 1 casualty
RENAULT MODUS TOYOTA COROLLA
View Details

Accident 201301QA10168

Slight
51.5786, -0.3383
2 vehicles 1 casualty
Pedal cycle VOLKSWAGEN TIGUAN (4y)
View Details