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A404

A404 road traffic accidents

19,387 collisions recorded

1979 to 2024

The A404 appears in 19,387 collisions in the STATS19 data between 1979 and 2024, involving 24,003 casualties. Of these collisions, 220 were fatal and 3,161 were serious. Recorded collisions in 2024 were down 6% on 2023.

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All Severities Fatal Serious Slight

Severity Breakdown

Fatal: 220
Serious: 3,161
Casualties: 24,003

Fatal: 220
Serious: 3,161
Casualties: 24,003

Collisions by Year

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

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

Areas on the A404

Brent

4,781 recorded here

Westminster

1,978 recorded here

Harrow

1,309 recorded here

Wycombe

1,063 recorded here

Chiltern

471 recorded here

Hillingdon

432 recorded here

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Brent

4,781 recorded here

Westminster

1,978 recorded here

Harrow

1,309 recorded here

Wycombe

1,063 recorded here

Chiltern

471 recorded here

Hillingdon

432 recorded here

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Towns on the A404

Brent

3,641 recorded along the A404

City of Westminster

1,486 recorded along the A404

Harrow

1,103 recorded along the A404

High Wycombe

406 recorded along the A404

Hillingdon

305 recorded along the A404

Chorleywood

182 recorded along the A404

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Brent

3,641 recorded along the A404

City of Westminster

1,486 recorded along the A404

Harrow

1,103 recorded along the A404

High Wycombe

406 recorded along the A404

Hillingdon

305 recorded along the A404

Chorleywood

182 recorded along the A404

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Accidents on the A404

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Slight

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Recent Accidents

Showing 20 of 3,161 accidents

1 ... 101 102 103 104 105 ... 159

A404 road traffic accidents

Filter by Severity

Filter by Severity

Severity Breakdown

Severity Breakdown

Collisions by Year

Collisions by Year

Areas on the A404

Areas on the A404

Brent

Westminster

Harrow

Wycombe

Chiltern

Hillingdon

Brent

Westminster

Harrow

Wycombe

Chiltern

Hillingdon

Towns on the A404

Towns on the A404

Brent

City of Westminster

Harrow

High Wycombe

Hillingdon

Chorleywood

Brent

City of Westminster

Harrow

High Wycombe

Hillingdon

Chorleywood

Quick Actions

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Accidents on the A404

Recent Accidents

Accident 198901XU00207

Accident 198901QK00172

Accident 198901DR00069

Accident 198901QA00197

Accident 198901QD00111

Accident 198901DR00039

Accident 198901QD00070

Accident 198901XU00093

Accident 198901QD00053

Accident 198943A003029

Accident 19894141C2021

Accident 198901BH00023

Accident 198901QA00086

Accident 198901XU00033

Accident 198901QK00028

Accident 198843A149128

Accident 19884141C2240

Accident 198801QK00842

Accident 198801DR00289

Accident 198843A084128