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 2014610073714

Slight
51.5787, -2.7174
2 vehicles 2 casualties
Car Goods 7.5 tonnes mgw and over
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Accident 201443N105114

Slight
51.4977, -0.4964
2 vehicles 1 casualty
HONDA CIVIC MERCEDES C CLASS
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Accident 201443W132114

Slight
51.4615, -1.5041
1 vehicle 1 casualty
MINI COUNTRYMAN (2y)
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Accident 201401XH30882

Slight
51.4928, -0.4160
5 vehicles 2 casualties
SCANIA Model Missing (3y) VAUXHALL ASTRA AUDI A4 JAGUAR X TYPE VOLKSWAGEN CRAFTER (4y)
View Details

Accident 2014621402061

Slight
51.5937, -3.7735
4 vehicles 2 casualties
VAUXHALL INSIGNIA (2y) SUZUKI SWIFT (2y) RENAULT TRAFIC SEAT LEON
View Details

Accident 201443R088114

Slight
51.4909, -0.5455
4 vehicles 2 casualties
VOLVO Model Missing VAUXHALL VIVARO FORD GALAXY (1y) Car
View Details

Accident 201443R062114

Slight
51.4917, -0.5445
2 vehicles 1 casualty
NISSAN MICRA BMW 5 SERIES
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Accident 201443R110114

Serious
51.4624, -0.7836
2 vehicles 3 casualties
BMW 7 SERIES PEUGEOT 206
View Details

Accident 2014621402051

Slight
51.5170, -3.2790
2 vehicles 1 casualty
FORD FIESTA BMW 1 SERIES (2y)
View Details

Accident 2014610073014

Slight
51.6005, -2.8907
2 vehicles 1 casualty
FORD FIESTA BMW R 1200
View Details

Accident 2014621402042

Slight
51.5258, -3.5256
3 vehicles 2 casualties
FORD FIESTA TOYOTA HIACE MITSUBISHI OUTLANDER (4y)
View Details

Accident 201443N064114

Slight
51.4978, -0.4964
1 vehicle 1 casualty
MITSUBISHI COLT
View Details

Accident 201443W245114

Serious
51.4527, -1.3150
7 vehicles 5 casualties
BMW 1 SERIES (2y) BMW X1 VAUXHALL MERIVA FORD FIESTA HONDA CRV BMW 3 SERIES (3y) Car
View Details

Accident 2014621402034

Slight
51.5196, -3.2733
3 vehicles 1 casualty
SEAT IBIZA (2y) MERCEDES E CLASS VOLKSWAGEN GOLF (2y)
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Accident 2014621402023

Slight
51.5257, -3.2518
2 vehicles 2 casualties
FORD FIESTA VAUXHALL CORSA
View Details

Accident 2014621402292

Slight
51.5253, -3.2569
3 vehicles 1 casualty
VAUXHALL CORSA SKODA FABIA HYUNDAI I30 (2y)
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Accident 201443R030114

Serious
51.5003, -0.7008
1 vehicle 1 casualty
CITROEN C3 (4y)
View Details

Accident 201443W043114

Slight
51.4167, -0.9845
3 vehicles 1 casualty
IVECO DAILY BMW 3 SERIES (4y) VOLKSWAGEN GOLF
View Details

Accident 201443R026114

Slight
51.4895, -0.5508
2 vehicles 1 casualty
VAUXHALL ANTARA (1y) BMW F 800 (3y)
View Details

Accident 2014549912614

Serious
51.5178, -1.6573
2 vehicles 1 casualty
MAZDA DEMIO Goods 7.5 tonnes mgw and over
View Details