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 201401XH30215

Slight
51.4958, -0.4571
2 vehicles 3 casualties
VAUXHALL ASTRA (2y) Car
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Accident 201443R161034

Slight
51.4931, -0.5160
3 vehicles 2 casualties
Car HYUNDAI I30 (2y) VOLKSWAGEN PASSAT
View Details

Accident 201443N158034

Slight
51.5113, -0.6635
2 vehicles 1 casualty
AUDI A4 BMW 7 SERIES
View Details

Accident 2014542731014

Slight
51.5574, -1.8956
2 vehicles 1 casualty
BMW 1 SERIES LAND ROVER DEFENDER
View Details

Accident 201443W188034

Slight
51.4601, -1.1162
3 vehicles 3 casualties
Goods vehicle - unknown weight VOLVO V70 VOLVO XC70
View Details

Accident 2014610012014

Slight
51.5761, -3.0322
4 vehicles 3 casualties
VAUXHALL ZAFIRA LAND ROVER RANGE ROVER CITROEN C4 (2y) PEUGEOT 307
View Details

Accident 201463AC08114

Slight
51.7121, -4.0633
4 vehicles 1 casualty
FIAT PUNTO CITROEN C3 AUDI A1 (2y) Car
View Details

Accident 201401XH30158

Slight
51.4928, -0.4170
2 vehicles 1 casualty
TOYOTA COROLLA HYUNDAI SONATA
View Details

Accident 201401TX20189

Slight
51.4916, -0.4097
1 vehicle 1 casualty
NISSAN QASHQAI (3y)
View Details

Accident 2014542650414

Slight
51.5147, -2.0821
1 vehicle 1 casualty
NISSAN PRIMERA
View Details

Accident 2014621400555

Slight
51.5236, -3.5207
2 vehicles 1 casualty
MITSUBISHI SHOGUN HYUNDAI I10 (3y)
View Details

Accident 201401XH30159

Slight
51.4934, -0.4288
1 vehicle 1 casualty
VAUXHALL CORSA (1y)
View Details

Accident 2014610058914

Slight
51.5910, -2.8509
3 vehicles 1 casualty
BMW 5 SERIES MAZDA 6 SUZUKI IGNIS
View Details

Accident 2014610013114

Slight
51.5925, -2.8554
3 vehicles 2 casualties
MAZDA 6 BMW X3 SUZUKI IGNIS
View Details

Accident 2014521403690

Slight
51.4979, -2.4222
2 vehicles 1 casualty
AUDI A3 Van / Goods 3.5 tonnes mgw or under
View Details

Accident 2014621400521

Slight
51.5117, -3.3633
4 vehicles 1 casualty
MINI COOPER VOLKSWAGEN GOLF Car FORD FIESTA (4y)
View Details

Accident 2014621400650

Serious
51.5134, -3.4874
4 vehicles 3 casualties
VAUXHALL ASTRA (2y) Goods 7.5 tonnes mgw and over FORD TRANSIT VAUXHALL INSIGNIA
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Accident 2014621400509

Slight
51.6132, -3.8093
2 vehicles 1 casualty
VAUXHALL CORSA (1y) SEAT LEON
View Details

Accident 2014521402117

Slight
51.4978, -2.4352
4 vehicles 1 casualty
RENAULT TRUCKS Model Missing RENAULT CLIO HONDA CIVIC VAUXHALL CORSA
View Details

Accident 201443W235034

Slight
51.4586, -1.1990
1 vehicle 1 casualty
MINI COOPER
View Details