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 199443R082014

Slight
2 vehicles 1 casualty
Vehicle FORD FIESTA
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Accident 199401XH00061

Slight
2 vehicles 1 casualty
FORD CORTINA FORD TRANSIT (4y)
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Accident 199454MA00044

Serious
1 vehicle 1 casualty
FORD FIESTA
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Accident 199443U064014

Serious
3 vehicles 1 casualty
Vehicle CITROEN BX (4y) LAND ROVER DISCOVERY (1y)
View Details

Accident 199443R072014

Slight
2 vehicles 3 casualties
MAZDA 626 (4y) VAUXHALL CAVALIER
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Accident 199443R079014

Slight
4 vehicles 1 casualty
VAUXHALL CAVALIER BMW 3 SERIES (1y) CITROEN XANTIA (1y) Vehicle
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Accident 199401TC00047

Slight
2 vehicles 1 casualty
BMW 3 SERIES (1y) Vehicle
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Accident 199462E001794

Slight
2 vehicles 2 casualties
FORD FIESTA (2y) FORD FIESTA
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Accident 199401TC00040

Serious
1 vehicle 5 casualties
NISSAN STANZA
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Accident 199443U039014

Slight
2 vehicles 1 casualty
Vehicle HONDA CIVIC (2y)
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Accident 199443U099014

Slight
1 vehicle 2 casualties
FORD ESCORT
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Accident 199401TC00039

Slight
2 vehicles 1 casualty
VOLKSWAGEN PASSAT BMW Model Missing (2y)
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Accident 199443R065014

Slight
1 vehicle 1 casualty
ROVER 800 SERIES
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Accident 199401TC00033

Slight
3 vehicles 2 casualties
Vehicle FORD SIERRA SEDDON/ATKINSON Model Missing
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Accident 199443R049014

Slight
2 vehicles 1 casualty
LEYLAND DAF Model Missing VOLVO 244
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Accident 199443R042014

Slight
3 vehicles 2 casualties
FORD TRANSIT Vehicle VAUXHALL CAVALIER (3y)
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Accident 199443R041014

Slight
1 vehicle 2 casualties
AUSTIN MONTEGO
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Accident 199401TC00046

Slight
2 vehicles 2 casualties
FORD ESCORT NISSAN SUNNY
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Accident 199443U032014

Slight
1 vehicle 1 casualty
VAUXHALL CAVALIER
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Accident 199462G001694

Slight
2 vehicles 1 casualty
VOLVO 760 TOYOTA CAMRY
View Details