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 201401XH30724

Serious
51.4956, -0.4520
3 vehicles 1 casualty
TOYOTA AURIS Goods 7.5 tonnes mgw and over FIAT PUNTO (3y)
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Accident 2014521408090

Slight
51.5378, -2.5403
4 vehicles 3 casualties
BMW 5 SERIES (1y) VAUXHALL INSIGNIA Car Car
View Details

Accident 201443W037114

Slight
51.4524, -1.3159
2 vehicles 1 casualty
BMW 3 SERIES (2y) SEAT IBIZA
View Details

Accident 2014621402018

Slight
51.5335, -3.5824
5 vehicles 1 casualty
RENAULT SCENIC Car Car SEAT IBIZA PEUGEOT EXPERT
View Details

Accident 2014549833214

Slight
51.5095, -2.1701
2 vehicles 2 casualties
RENAULT SCENIC FORD TRANSIT
View Details

Accident 2014549819414

Slight
51.5560, -1.9181
1 vehicle 1 casualty
SEAT IBIZA
View Details

Accident 201401TX20896

Slight
51.4912, -0.3022
2 vehicles 1 casualty
MINI ONE (4y) Car
View Details

Accident 2014621401992

Slight
51.5336, -3.5583
4 vehicles 1 casualty
FORD FOCUS HONDA CIVIC BMW 3 SERIES (1y) AUDI A3
View Details

Accident 2014621401986

Slight
51.5334, -3.5595
2 vehicles 3 casualties
BMW 3 SERIES (3y) Vehicle
View Details

Accident 2014621401984

Slight
51.5329, -3.5645
2 vehicles 1 casualty
FORD TRANSIT CUSTOM FIAT PUNTO
View Details

Accident 2014610065714

Slight
51.5900, -2.8486
2 vehicles 1 casualty
FORD FIESTA Car
View Details

Accident 2014610063414

Slight
51.5876, -2.8398
2 vehicles 2 casualties
NISSAN QASHQAI VAUXHALL MOVANO
View Details

Accident 2014621401952

Slight
51.6019, -3.7959
2 vehicles 2 casualties
FORD FIESTA MAZDA 6 (4y)
View Details

Accident 2014521407406

Slight
51.5096, -2.5162
2 vehicles 1 casualty
VAUXHALL VIVARO (2y) Car
View Details

Accident 2014610067514

Slight
51.5884, -3.0321
2 vehicles 4 casualties
NISSAN QASHQAI (2y) DAF TRUCKS Model Missing
View Details

Accident 2014549692014

Serious
51.5302, -1.7555
2 vehicles 2 casualties
MERCEDES Model Missing (1y) MAN Model Missing
View Details

Accident 2014621401966

Slight
51.6756, -3.9827
4 vehicles 1 casualty
FORD FIESTA (3y) SEAT LEON BMW 3 SERIES (1y) MERCEDES CLS CLASS
View Details

Accident 201443W203104

Fatal
51.4433, -0.8271
1 vehicle 1 casualty
VOLKSWAGEN TOURAN
View Details

Accident 2014610062014

Slight
51.5928, -2.8564
3 vehicles 1 casualty
HINO Model Missing (3y) Van / Goods 3.5 tonnes mgw or under Goods 7.5 tonnes mgw and over
View Details

Accident 201443R194104

Slight
51.5197, -0.6548
3 vehicles 2 casualties
PEUGEOT 307 VOLKSWAGEN GOLF (1y) VOLVO XC70 (2y)
View Details