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 2009610079609

Slight
51.5807, -2.7874
2 vehicles 2 casualties
BMW M3 PEUGEOT 407 (4y)
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Accident 200943W068119

Slight
51.4640, -1.2778
2 vehicles 1 casualty
ALFA ROMEO 156 VOLKSWAGEN GOLF (3y)
View Details

Accident 2009610088409

Slight
51.6012, -2.9753
2 vehicles 1 casualty
PEUGEOT 106 VAUXHALL ASTRA
View Details

Accident 200954MB05309

Slight
51.5174, -2.2529
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over PEUGEOT 306
View Details

Accident 2009620195413

Serious
51.5335, -3.5875
1 vehicle 1 casualty
AUDI A4
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Accident 200954MB05209

Slight
51.5408, -1.8305
2 vehicles 1 casualty
Car Car
View Details

Accident 200943R012119

Slight
51.4949, -0.5848
2 vehicles 1 casualty
FIAT PANDA (4y) RENAULT SCENIC (4y)
View Details

Accident 200943R022119

Slight
51.4933, -0.5833
1 vehicle 1 casualty
TOYOTA AVENSIS
View Details

Accident 200901TX20686

Slight
51.4906, -0.3069
3 vehicles 1 casualty
SUZUKI GSF 600 Van / Goods 3.5 tonnes mgw or under Motorcycle 125cc and under
View Details

Accident 2009620195474

Serious
51.6746, -3.9768
7 vehicles 5 casualties
RENAULT Model Missing (3y) BMW 3 SERIES OPEL Model Missing FORD TRANSIT (2y) SEAT LEON (1y) MAN Model Missing (3y) PEUGEOT 206
View Details

Accident 200943R061119

Slight
51.4931, -0.5146
3 vehicles 1 casualty
PEUGEOT 206 (4y) HONDA CRV VOLKSWAGEN TRANSPORTER
View Details

Accident 200901TX20728

Slight
51.4921, -0.4104
2 vehicles 1 casualty
CHRYSLER VOYAGER BMW M3
View Details

Accident 200954MA05109

Slight
51.5417, -1.8370
1 vehicle 1 casualty
VAUXHALL CORSAVAN
View Details

Accident 200943R226109

Slight
51.4930, -0.5347
2 vehicles 1 casualty
MERCEDES S CLASS BMW 3 SERIES (2y)
View Details

Accident 2009610077109

Slight
51.6000, -2.8860
2 vehicles 1 casualty
Car BMW 5 SERIES (1y)
View Details

Accident 200954MB05009

Slight
51.5143, -1.6361
2 vehicles 2 casualties
VOLKSWAGEN GOLF FORD FOCUS
View Details

Accident 200943R215109

Slight
51.4933, -0.5288
2 vehicles 1 casualty
Van / Goods 3.5 tonnes mgw or under RENAULT MEGANE
View Details

Accident 200943R214109

Slight
51.4949, -0.4971
1 vehicle 1 casualty
RENAULT MEGANE
View Details

Accident 200943R187109

Slight
51.4993, -0.7161
3 vehicles 1 casualty
PEUGEOT 206 Car VOLKSWAGEN POLO
View Details

Accident 2009610075009

Slight
51.5985, -2.9666
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over VAUXHALL CORSA
View Details