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 201601XH30161

Slight
51.4963, -0.4529
2 vehicles 1 casualty
TOYOTA YARIS AUDI A4
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Accident 201643R032036

Slight
51.4492, -0.8141
2 vehicles 1 casualty
Car MERCEDES ML CLASS (2y)
View Details

Accident 2016521602067

Slight
51.4782, -2.5469
3 vehicles 1 casualty
SKODA FABIA (1y) MITSUBISHI COLT Car
View Details

Accident 201643R061036

Slight
51.4943, -0.5048
6 vehicles 2 casualties
VOLKSWAGEN SHARAN DACIA SANDERO (1y) MERCEDES E CLASS (1y) NISSAN MICRA MAZDA 3 FORD S-MAX (4y)
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Accident 2016541952916

Slight
51.5096, -2.2961
2 vehicles 2 casualties
VOLKSWAGEN POLO MINI CLUBMAN
View Details

Accident 2016541939316

Serious
51.5256, -1.7103
4 vehicles 5 casualties
BMW 3 SERIES RENAULT TRAFIC (4y) DAF TRUCKS Model Missing BMW 3 SERIES
View Details

Accident 2016621600429

Serious
51.5335, -3.5868
3 vehicles 3 casualties
FORD KUGA FORD ECOSPORT AUDI A1
View Details

Accident 201601XH30157

Slight
51.4941, -0.4814
2 vehicles 1 casualty
FIAT PUNTO MERCEDES Model Missing (4y)
View Details

Accident 2016430240316

Slight
51.5109, -0.6663
4 vehicles 3 casualties
FORD FIESTA AUDI A5 (1y) HONDA CIVIC TOYOTA AVENSIS
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Accident 2016541898816

Slight
51.5274, -1.7257
2 vehicles 2 casualties
BMW 1 SERIES BMW 1 SERIES
View Details

Accident 2016541856816

Slight
51.4989, -1.5853
1 vehicle 1 casualty
VAUXHALL CORSA
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Accident 2016541843116

Slight
51.5145, -1.6369
1 vehicle 2 casualties
VOLVO V60 (3y)
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Accident 2016610018116

Slight
51.6032, -2.9802
1 vehicle 1 casualty
VAUXHALL CORSA
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Accident 201643R217026

Slight
51.4914, -0.5454
2 vehicles 4 casualties
VOLKSWAGEN TOURAN (4y) VAUXHALL ASTRA (4y)
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Accident 2016541782616

Slight
51.5157, -2.0713
1 vehicle 1 casualty
LAND ROVER DEFENDER (4y)
View Details

Accident 201643R207026

Slight
51.4934, -0.5833
2 vehicles 1 casualty
NISSAN QASHQAI AUDI A3 (3y)
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Accident 2016610008116

Slight
51.5864, -2.8386
2 vehicles 1 casualty
FORD FIESTA CITROEN C3
View Details

Accident 201643R175026

Slight
51.4935, -0.5083
2 vehicles 1 casualty
BMW 3 SERIES VAUXHALL VECTRA
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Accident 2016621600386

Slight
51.6747, -3.9686
3 vehicles 2 casualties
Van / Goods 3.5 tonnes mgw or under VAUXHALL VIVARO SEAT MII (2y)
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Accident 2016541610416

Serious
51.5442, -1.8516
2 vehicles 1 casualty
Motorcycle over 500cc MERCEDES C CLASS (2y)
View Details