Crash View

M4 road traffic accidents

29,200 collisions recorded
1979 to 2025

The M4 appears in 29,200 collisions in the STATS19 data between 1979 and 2025, involving 46,338 casualties. Of these collisions, 724 were fatal and 4,059 were serious. Recorded collisions in 2025 were up 17% on 2024.

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All Severities Fatal Serious Slight
Fatal
724
Serious
4,059
Casualties
46,338
2025 252
2024 216
2023 220
2022 226
2021 238
2020 178
2019 362
2018 355
2017 400
2016 479
2015 525
2014 574
2013 534
2012 493
2011 530
2010 583
2009 538
2008 662
2007 780
2006 844
2005 772
2004 867
2003 876
2002 827
2001 855
2000 864
1999 852
1998 860
1997 835
1996 782
1995 812
1994 761
1993 759
1992 739
1991 730
1990 888
1989 835
1988 763
1987 691
1986 749
1985 639
1984 640
1983 606
1982 553
1981 564
1980 552
1979 540

Hillingdon

1,815 recorded here

Wiltshire

1,801 recorded here

West Berkshire

1,791 recorded here

Slough

1,787 recorded here

South Gloucestershire

1,501 recorded here

Newport

1,382 recorded here

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Hounslow

571 recorded along the M4

Hillingdon

428 recorded along the M4

Newport (Newport)

353 recorded along the M4

Slough

288 recorded along the M4

Port Talbot

205 recorded along the M4

Cardiff

93 recorded along the M4

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Accidents on the M4

Fatal
Serious
Slight
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Recent Accidents

Showing 20 of 29,200 accidents

Accident 1991620E01130

Slight
2 vehicles 3 casualties
LEYLAND ROADRUNNER (1y) AUSTIN MORRIS MINI
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Accident 199143B005461

Fatal
1 vehicle 5 casualties
FIAT UNO
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Accident 199143G005271

Slight
8 vehicles 1 casualty
Vehicle FORD FIESTA FORD SIERRA FORD FIESTA VAUXHALL ASTRA AUDI 100 VAUXHALL CARLTON (2y) FORD SIERRA (4y)
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Accident 19915291N6161

Slight
4 vehicles 1 casualty
FORD ESCORT SEAT MALAGA FORD SIERRA (3y) FORD CORTINA
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Accident 199143O003161

Serious
2 vehicles 1 casualty
FORD SIERRA (1y) LEYLAND Model Missing
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Accident 19915291N6137

Slight
2 vehicles 1 casualty
Vehicle AUSTIN MONTEGO (3y)
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Accident 199143O003151

Slight
2 vehicles 1 casualty
FIAT UNO (3y) Vehicle
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Accident 199101TC00193

Slight
2 vehicles 1 casualty
Vehicle MITSUBISHI SHOGUN (3y)
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Accident 199101TC00185

Slight
1 vehicle 1 casualty
SUZUKI Model Missing
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Accident 199101TC00182

Slight
2 vehicles 1 casualty
BEDFORD Model Missing KAWASAKI KL600
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Accident 199101TC00183

Serious
2 vehicles 1 casualty
MERCEDES 200 ALFA ROMEO ALFASUD
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Accident 199154MA00301

Slight
2 vehicles 3 casualties
RENAULT Model Missing Vehicle
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Accident 199101TC00179

Slight
2 vehicles 1 casualty
VOLVO 760 (2y) Vehicle
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Accident 199143H004881

Slight
4 vehicles 3 casualties
BEDFORD Model Missing (3y) ERF Model Missing Vehicle FORD ESCORT (2y)
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Accident 199161A158910

Serious
3 vehicles 7 casualties
FORD TRANSIT (4y) BEDFORD Model Missing NISSAN SUNNY (1y)
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Accident 199154MA00281

Slight
2 vehicles 1 casualty
FORD ESCORT (3y) VOLVO Model Missing
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Accident 199154MB00271

Slight
1 vehicle 1 casualty
AUSTIN METRO
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Accident 199143J004761

Slight
4 vehicles 1 casualty
VAUXHALL CAVALIER (3y) FORD ESCORT (2y) FORD TRANSIT (2y) MERCEDES Model Missing (2y)
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Accident 199143H004651

Slight
4 vehicles 1 casualty
AUSTIN Model Missing SAAB 900 CITROEN VISA VAUXHALL ASTRA (1y)
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Accident 199143H004521

Slight
1 vehicle 1 casualty
Van / Goods 3.5 tonnes mgw or under
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