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 201443R180014

Slight
51.4932, -0.5217
3 vehicles 2 casualties
Car FORD KA MERCEDES E CLASS (3y)
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Accident 201443W188014

Slight
51.4514, -0.8080
1 vehicle 1 casualty
Car
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Accident 2014621400153

Slight
51.5324, -3.6076
1 vehicle 1 casualty
Car
View Details

Accident 201443R173014

Fatal
51.4694, -0.7723
2 vehicles 1 casualty
PEUGEOT 3008 VOLKSWAGEN GOLF
View Details

Accident 2014621400004

Slight
51.6300, -3.8318
1 vehicle 1 casualty
VOLKSWAGEN GOLF
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Accident 201443R234014

Slight
51.4871, -0.7533
2 vehicles 1 casualty
Car Van / Goods 3.5 tonnes mgw or under
View Details

Accident 201443R175014

Slight
51.4519, -0.8068
2 vehicles 1 casualty
RENAULT MEGANE DODGE JOURNEY (4y)
View Details

Accident 2014621400207

Slight
51.6301, -3.8322
1 vehicle 1 casualty
BMW 3 SERIES
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Accident 2014610002914

Slight
51.6020, -2.9783
1 vehicle 1 casualty
PEUGEOT 3008 (3y)
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Accident 2014610003114

Slight
51.5977, -3.0133
3 vehicles 1 casualty
Car VAUXHALL CORSA Car
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Accident 2014621400111

Slight
51.6188, -3.8152
1 vehicle 1 casualty
FIAT 500 (1y)
View Details

Accident 2014610003714

Slight
51.5998, -3.0073
3 vehicles 2 casualties
FIAT PUNTO BMW 3 SERIES (2y) LAND ROVER DISCOVERY
View Details

Accident 201443R240014

Slight
51.4591, -0.7921
2 vehicles 1 casualty
MERCEDES C CLASS (1y) FORD KA
View Details

Accident 2014621400200

Serious
51.6768, -3.9994
1 vehicle 4 casualties
RENAULT SCENIC
View Details

Accident 2014610002014

Slight
51.6026, -2.9796
1 vehicle 1 casualty
PEUGEOT 207
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Accident 201443W123014

Slight
51.4174, -0.9872
3 vehicles 1 casualty
VOLKSWAGEN POLO (1y) VOLKSWAGEN GOLF SAAB 9-3
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Accident 201443W121014

Slight
51.4174, -0.9872
2 vehicles 1 casualty
CITROEN XSARA SKODA OCTAVIA (1y)
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Accident 201443W117014

Slight
51.4245, -0.8920
3 vehicles 1 casualty
VAUXHALL MERIVA RENAULT CLIO Car
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Accident 201443R134014

Fatal
51.4933, -0.5232
3 vehicles 1 casualty
DAF TRUCKS FAD 85CF NISSAN QASHQAI Goods 7.5 tonnes mgw and over
View Details

Accident 2014541004914

Slight
51.5263, -1.7237
3 vehicles 1 casualty
TOYOTA Model Missing HONDA CIVIC NISSAN QASHQAI (1y)
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