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 2016430004165

Slight
51.4896, -0.5509
4 vehicles 2 casualties
PEUGEOT 206 CHEVROLET AVEO BMW 1 SERIES BMW 3 SERIES (4y)
View Details

Accident 2016430004510

Slight
51.5035, -0.6181
3 vehicles 3 casualties
VOLKSWAGEN SCIROCCO (2y) Van / Goods 3.5 tonnes mgw or under BMW 3 SERIES
View Details

Accident 2016430017696

Serious
51.4932, -0.5131
3 vehicles 3 casualties
MERCEDES SPRINTER NISSAN QASHQAI (2y) JEEP CHEROKEE
View Details

Accident 2016010007367

Slight
51.4956, -0.4509
3 vehicles 1 casualty
DACIA SANDERO (2y) TOYOTA PRIUS+ Car
View Details

Accident 2016430364778

Serious
51.4687, -0.7735
1 vehicle 1 casualty
Yamaha XJ6 (3y)
View Details

Accident 2016430363782

Slight
51.5093, -0.6791
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over FIAT PUNTO (1y)
View Details

Accident 2016010011144

Slight
51.4912, -0.4039
2 vehicles 1 casualty
AUDI A4 VOLVO Model Missing
View Details

Accident 2016010009547

Slight
51.4917, -0.4060
2 vehicles 1 casualty
AUDI A4 VOLVO Model Missing
View Details

Accident 201654B130816

Slight
51.5398, -1.8184
2 vehicles 1 casualty
VAUXHALL ASTRA (3y) ALFA ROMEO MITO
View Details

Accident 2016610063516

Slight
51.5866, -3.0330
1 vehicle 1 casualty
VOLVO V40 (2y)
View Details

Accident 2016430359963

Slight
51.4939, -0.7362
1 vehicle 1 casualty
CITROEN XSARA
View Details

Accident 2016430025563

Serious
51.4603, -1.1133
2 vehicles 2 casualties
SEAT IBIZA Van / Goods 3.5 tonnes mgw or under
View Details

Accident 2016621602050

Slight
51.6756, -3.9830
2 vehicles 2 casualties
SKODA ROOMSTER PEUGEOT 207
View Details

Accident 2016430357727

Fatal
51.5116, -0.6602
3 vehicles 2 casualties
VOLVO V70 (1y) PEUGEOT 206 VAUXHALL ASTRA
View Details

Accident 2016621602054

Slight
51.5420, -3.1279
2 vehicles 1 casualty
VOLKSWAGEN PASSAT TOYOTA YARIS
View Details

Accident 2016430364575

Serious
51.4508, -1.3969
3 vehicles 1 casualty
PEUGEOT 207 MAN Model Missing (2y) VOLVO Model Missing
View Details

Accident 2016430359967

Slight
51.5037, -0.6194
2 vehicles 1 casualty
HONDA CBR500RA (1y) RENAULT CLIO
View Details

Accident 2016430344691

Fatal
51.4927, -0.5361
2 vehicles 1 casualty
KAWASAKI EX 300 (1y) MERCEDES C CLASS (1y)
View Details

Accident 201663AC38016

Slight
51.7121, -4.0632
3 vehicles 1 casualty
TOYOTA YARIS (4y) VOLKSWAGEN BORA Car
View Details

Accident 2016610056816

Slight
51.5896, -2.8475
2 vehicles 1 casualty
MERCEDES Model Missing (2y) PEUGEOT 106
View Details