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 2013610071313

Serious
51.6039, -2.9819
2 vehicles 2 casualties
TOYOTA YARIS CITROEN BERLINGO
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Accident 201301TX20765

Slight
51.4895, -0.3103
2 vehicles 1 casualty
MAZDA 2 (4y) HONDA NC700SA
View Details

Accident 201343N010123

Slight
51.5071, -0.6852
3 vehicles 1 casualty
DAF TRUCKS Model Missing (1y) BMW 3 SERIES BMW 5 SERIES
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Accident 201343W257123

Slight
51.4306, -1.0483
3 vehicles 2 casualties
FORD MONDEO MAZDA Model Missing Car
View Details

Accident 2013610084213

Slight
51.5473, -3.0992
1 vehicle 1 casualty
Car
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Accident 2013621302237

Slight
51.5157, -3.6831
1 vehicle 1 casualty
VAUXHALL CORSA
View Details

Accident 201301TX20750

Slight
51.4914, -0.2981
2 vehicles 2 casualties
Car Van / Goods 3.5 tonnes mgw or under
View Details

Accident 2013521308621

Slight
51.5116, -2.5164
3 vehicles 2 casualties
ROVER 75 Car VOLKSWAGEN GOLF
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Accident 201343W256113

Slight
51.4595, -1.1348
1 vehicle 3 casualties
VAUXHALL ASTRA
View Details

Accident 201343R264113

Slight
51.5074, -0.6359
2 vehicles 1 casualty
MERCEDES C CLASS LONDON TAXIS INT. TXII
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Accident 201343R266113

Slight
51.4978, -0.7289
2 vehicles 1 casualty
Van / Goods 3.5 tonnes mgw or under TOYOTA YARIS
View Details

Accident 201354B456513

Serious
51.5594, -1.9080
1 vehicle 1 casualty
VAUXHALL AGILA (3y)
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Accident 2013621302189

Slight
51.5085, -3.3027
2 vehicles 3 casualties
VAUXHALL INSIGNIA (1y) DAF TRUCKS Model Missing
View Details

Accident 201301TX20748

Slight
51.4912, -0.2949
2 vehicles 1 casualty
VAUXHALL ASTRA TOYOTA AURIS (4y)
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Accident 2013521308675

Slight
51.5634, -2.5653
2 vehicles 1 casualty
VOLVO Model Missing Car
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Accident 2013521307856

Slight
51.5137, -2.5179
2 vehicles 1 casualty
PEUGEOT 206 SEAT IBIZA
View Details

Accident 201343W222113

Slight
51.4208, -1.0151
2 vehicles 1 casualty
VAUXHALL AGILA VOLVO Model Missing
View Details

Accident 2013621302107

Slight
51.6613, -3.8768
2 vehicles 1 casualty
Car RENAULT CLIO
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Accident 201343W276113

Slight
51.4206, -0.9082
2 vehicles 2 casualties
Car VAUXHALL VECTRA
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Accident 2013610069613

Slight
51.5872, -2.8139
2 vehicles 1 casualty
VAUXHALL MERIVA (1y) HONDA Model Missing
View Details