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.

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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

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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

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Accidents on the A404

Fatal
Serious
Slight
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Recent Accidents

Showing 20 of 19,634 accidents

Accident 201001QK50094

Slight
51.5519, -0.2986
1 vehicle 1 casualty
ALEXANDER DENNIS Model Missing (2y)
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Accident 201001QK50042

Serious
51.5521, -0.3026
2 vehicles 2 casualties
FORD TRANSIT VOLVO Model Missing
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Accident 201001TB00000

Serious
51.5498, -0.2815
2 vehicles 1 casualty
MERCEDES E CLASS NISSAN MICRA
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Accident 201001QA10066

Slight
51.5915, -0.3811
1 vehicle 1 casualty
NISSAN PATHFINDER
View Details

Accident 201001CW10440

Slight
51.5196, -0.1885
1 vehicle 1 casualty
BMW 6 SERIES
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Accident 200943N302129

Serious
51.6577, -0.6325
3 vehicles 6 casualties
VOLVO 850 CITROEN XSARA RENAULT LAGUNA
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Accident 200901QK50727

Slight
51.5668, -0.3217
2 vehicles 1 casualty
VAUXHALL ASTRA (4y) Pedal cycle
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Accident 200901QK59007

Slight
51.5518, -0.3064
1 vehicle 1 casualty
ALEXANDER DENNIS Model Missing (3y)
View Details

Accident 200901FH10716

Slight
51.5323, -0.2337
1 vehicle 1 casualty
Car
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Accident 200901QK50733

Slight
51.5362, -0.2451
1 vehicle 1 casualty
CHRYSLER Model Missing
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Accident 200943N209129

Slight
51.6294, -0.7474
2 vehicles 1 casualty
NISSAN MICRA DENNIS Model Missing
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Accident 200901CW19004

Serious
51.5263, -0.2071
1 vehicle 1 casualty
CITROEN C4 (2y)
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Accident 200901QA10491

Slight
51.5799, -0.3419
2 vehicles 1 casualty
LAND ROVER FREELANDER RENAULT MEGANE (4y)
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Accident 200901TA00152

Serious
51.5196, -0.1887
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over Goods 7.5 tonnes mgw and over
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Accident 200901QK50725

Slight
51.5355, -0.2441
2 vehicles 1 casualty
TOYOTA AVENSIS PEUGEOT PARTNER
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Accident 200901QK50704

Slight
51.5703, -0.3227
1 vehicle 2 casualties
VOLKSWAGEN BEETLE
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Accident 200901QK50713

Slight
51.5519, -0.3061
2 vehicles 1 casualty
CITROEN C5 Pedal cycle
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Accident 200901QA10467

Slight
51.5787, -0.3265
1 vehicle 2 casualties
Car
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Accident 200901QK50708

Slight
51.5400, -0.2536
1 vehicle 1 casualty
VOLKSWAGEN SHARAN (2y)
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Accident 200943N070129

Slight
51.6135, -0.7680
2 vehicles 1 casualty
VOLKSWAGEN GOLF (1y) ALFA ROMEO SPIDER (1y)
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