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 2017010010300

Slight
51.4825, -0.4524
3 vehicles 2 casualties
VOLKSWAGEN SHARAN (3y) VOLKSWAGEN PASSAT MERCEDES C CLASS
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Accident 2017621700049

Serious
51.6750, -3.9557
1 vehicle 1 casualty
DACIA SANDERO (2y)
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Accident 2017010010004

Slight
51.4944, -0.3536
2 vehicles 1 casualty
DAF TRUCKS Model Missing (4y) TOYOTA YARIS
View Details

Accident 2017621700058

Slight
51.5336, -3.5885
2 vehicles 1 casualty
VAUXHALL VIVARO (1y) VAUXHALL INSIGNIA
View Details

Accident 2017430026235

Slight
51.4886, -0.5769
4 vehicles 3 casualties
RENAULT LAGUNA AUDI TT LAND ROVER FREELANDER MERCEDES E CLASS
View Details

Accident 2017521700291

Slight
51.5386, -2.5410
3 vehicles 1 casualty
BMW 3 SERIES HONDA CRV AUDI A5 (1y)
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Accident 2017540019517

Slight
51.5162, -2.2794
1 vehicle 1 casualty
MERCEDES CLK CLASS
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Accident 2016621700037

Serious
51.5181, -3.7101
1 vehicle 1 casualty
BMW 5 SERIES
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Accident 2016430011674

Slight
51.4629, -1.2466
4 vehicles 1 casualty
Car VAUXHALL ZAFIRA (3y) AUDI Q5 (2y) TOYOTA AVENSIS
View Details

Accident 201654B638016

Slight
51.5151, -1.6431
2 vehicles 1 casualty
VAUXHALL ASTRA VOLKSWAGEN POLO (3y)
View Details

Accident 2016430010509

Slight
51.4859, -1.5688
1 vehicle 1 casualty
Car
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Accident 2016010008856

Slight
51.4919, -0.4117
3 vehicles 1 casualty
CITROEN XSARA Goods 7.5 tonnes mgw and over Goods 7.5 tonnes mgw and over
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Accident 2016621602124

Slight
51.5138, -3.3712
1 vehicle 1 casualty
RENAULT CLIO
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Accident 2016430008297

Slight
51.4933, -0.5287
4 vehicles 2 casualties
MERCEDES E CLASS (1y) TOYOTA YARIS VAUXHALL ASTRA MERCEDES S CLASS
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Accident 2016430007347

Slight
51.4644, -1.5079
2 vehicles 1 casualty
AUDI A4 FORD TRANSIT CUSTOM (1y)
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Accident 201654B514316

Slight
51.4961, -1.5829
2 vehicles 2 casualties
Goods 7.5 tonnes mgw and over MERCEDES A CLASS (3y)
View Details

Accident 2016521609766

Slight
51.5681, -2.5746
6 vehicles 9 casualties
FORD FOCUS RENAULT SCENIC (2y) SUZUKI SWIFT MERCEDES E CLASS PORSCHE BOXSTER VAUXHALL ZAFIRA
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Accident 201654B447816

Slight
51.5102, -2.1974
3 vehicles 1 casualty
FIAT DUCATO FORD FIESTA Car
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Accident 2016010007806

Serious
51.4926, -0.4176
3 vehicles 5 casualties
SKODA OCTAVIA FORD MONDEO VOLKSWAGEN GOLF
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Accident 2016430018822

Serious
51.4911, -0.5810
2 vehicles 3 casualties
VOLKSWAGEN TOUAREG (3y) AUDI A3 (1y)
View Details