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 199443R123124

Slight
1 vehicle 1 casualty
FORD FIESTA (4y)
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Accident 199401TC00688

Slight
2 vehicles 1 casualty
Vehicle ROVER 200 SERIES
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Accident 199454MA00844

Serious
6 vehicles 10 casualties
VOLKSWAGEN PASSAT Vehicle FORD FIESTA FORD ESCORT FORD ESCORT VAUXHALL CAVALIER
View Details

Accident 199443R129124

Serious
1 vehicle 1 casualty
NISSAN LAUREL
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Accident 199443R128124

Slight
2 vehicles 1 casualty
FORD FIESTA (2y) AUSTIN METRO
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Accident 199401TC00682

Slight
2 vehicles 1 casualty
NISSAN SUNNY FORD SIERRA (2y)
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Accident 199401TC00683

Serious
1 vehicle 1 casualty
TOYOTA CARINA
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Accident 19945294E4834

Slight
8 vehicles 1 casualty
ROVER 200 SERIES (1y) FORD MONDEO VAUXHALL CORSA TOYOTA CARINA VAUXHALL ASTRA BMW 3 SERIES Daf Trucks Model Missing FORD MONDEO (1y)
View Details

Accident 199443R119124

Slight
2 vehicles 2 casualties
Vehicle Vehicle
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Accident 199401TC00692

Slight
3 vehicles 1 casualty
BMW 5 SERIES VAUXHALL CAVALIER VAUXHALL CAVALIER
View Details

Accident 199443N189124

Slight
3 vehicles 1 casualty
Vehicle AUSTIN MAESTRO Vehicle
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Accident 1994610133394

Slight
3 vehicles 2 casualties
SCANIA Model Missing NISSAN MICRA Vehicle
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Accident 199462G042894

Slight
3 vehicles 1 casualty
PEUGEOT 309 Vehicle HONDA CB750F (1y)
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Accident 199454MA00854

Slight
4 vehicles 3 casualties
FORD FIESTA (2y) Vehicle ROVER VITESSE VAUXHALL CAVALIER (4y)
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Accident 199401TD00824

Slight
1 vehicle 1 casualty
ROVER 200 SERIES
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Accident 199401TD00811

Slight
2 vehicles 1 casualty
FORD ESCORT LEYLAND Model Missing
View Details

Accident 19945294E5189

Slight
2 vehicles 1 casualty
FORD MONDEO FORD ESCORT
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Accident 1994610130794

Slight
2 vehicles 1 casualty
Vehicle SEDDON/ATKINSON Model Missing
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Accident 199443U086124

Slight
1 vehicle 1 casualty
DAIHATSU DOMINO
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Accident 19945294E4790

Slight
2 vehicles 1 casualty
MG MAESTRO ROVER 800 SERIES (1y)
View Details