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 200454MA12204

Slight
51.5465, -1.9639
3 vehicles 2 casualties
Vehicle RENAULT CLIO AUDI A3 (1y)
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Accident 200454MA12104

Serious
51.5324, -2.0151
2 vehicles 1 casualty
VAUXHALL ASTRA Goods 7.5 tonnes mgw and over
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Accident 200443W509114

Slight
51.4989, -0.7240
5 vehicles 2 casualties
ROVER 600 SERIES AUDI A6 (3y) CITROEN SAXO (2y) ROVER 200 SERIES VOLKSWAGEN POLO (2y)
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Accident 200443W428114

Fatal
51.4261, -1.0393
2 vehicles 1 casualty
SCANIA Model Missing Vehicle
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Accident 200443W522114

Slight
51.4510, -1.3955
2 vehicles 2 casualties
Goods 7.5 tonnes mgw and over VAUXHALL CORSA
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Accident 2004610137404

Slight
51.5961, -2.9645
2 vehicles 1 casualty
Vehicle Goods 7.5 tonnes mgw and over
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Accident 2004620121978

Slight
51.6623, -3.8783
3 vehicles 1 casualty
PEUGEOT 206 FIAT SEICENTO FORD KA (2y)
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Accident 200443W544114

Slight
51.4992, -0.7066
2 vehicles 1 casualty
VOLKSWAGEN LT 35 (4y) FORD FIESTA
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Accident 2004610132204

Serious
51.5950, -2.8649
8 vehicles 7 casualties
TOYOTA Model Missing (3y) FIAT PUNTO (4y) RENAULT MEGANE (2y) AUDI A4 VAUXHALL VIVARO (1y) SEAT AROSA (2y) MERCEDES C CLASS ROVER 200 SERIES
View Details

Accident 200443W408114

Slight
51.4630, -1.2481
2 vehicles 1 casualty
MERCEDES Model Missing BMW 3 SERIES
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Accident 200443W407114

Slight
51.4714, -1.5293
1 vehicle 1 casualty
FORD ESCORT
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Accident 200454MA11704

Slight
51.5432, -1.8461
2 vehicles 2 casualties
VAUXHALL ASTRA (3y) Vehicle
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Accident 200454MA11904

Slight
51.5062, -1.5994
2 vehicles 1 casualty
Bus or coach (17 or more pass seats) TOYOTA CARINA
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Accident 200454MA11604

Serious
51.5401, -1.8083
2 vehicles 2 casualties
HONDA CIVIC (1y) Vehicle
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Accident 200443W392114

Serious
51.4509, -0.8090
2 vehicles 2 casualties
SCANIA Model Missing (2y) DAEWOO MUSSO
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Accident 2004620121648

Slight
51.6020, -3.7964
2 vehicles 1 casualty
MAZDA 323 CITROEN BERLINGO (1y)
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Accident 200443W655114

Slight
51.4606, -1.1477
1 vehicle 1 casualty
HONDA CBR600F
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Accident 200454MB11404

Slight
51.5559, -1.8840
1 vehicle 1 casualty
MERCEDES Model Missing (3y)
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Accident 200443W337114

Slight
51.5042, -0.6226
1 vehicle 1 casualty
Vehicle (2y)
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Accident 200454MA11504

Slight
51.5368, -1.7811
2 vehicles 1 casualty
CHRYSLER NEON (1y) MAN Model Missing (4y)
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