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 2014610001814

Serious
51.6038, -2.9942
1 vehicle 3 casualties
MERCEDES E CLASS (2y)
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Accident 2014540122214

Serious
51.5368, -1.9947
3 vehicles 2 casualties
Car AUDI A6 (1y) AUDI A4
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Accident 201443R250014

Slight
51.4947, -0.5028
2 vehicles 4 casualties
RENAULT SCENIC Car
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Accident 201443R029014

Slight
51.4992, -0.7141
2 vehicles 1 casualty
AUDI A5 VOLKSWAGEN POLO
View Details

Accident 2014610000114

Slight
51.6023, -2.9791
1 vehicle 2 casualties
VAUXHALL VECTRA
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Accident 2013621302340

Slight
51.6493, -3.8495
2 vehicles 1 casualty
MERCEDES C CLASS (2y) FORD KA
View Details

Accident 2013610078613

Slight
51.5818, -2.7481
1 vehicle 1 casualty
CITROEN XSARA
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Accident 201354C402313

Slight
51.5133, -2.2282
1 vehicle 1 casualty
NISSAN NOTE
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Accident 2013621302323

Slight
51.6655, -3.8823
1 vehicle 1 casualty
MERCEDES C CLASS
View Details

Accident 201354C332613

Slight
51.5102, -2.1974
3 vehicles 1 casualty
ALFA ROMEO 147 VAUXHALL ASTRA Car
View Details

Accident 2013621302366

Slight
51.6962, -4.0280
1 vehicle 2 casualties
RENAULT MEGANE
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Accident 2013521400048

Slight
51.5094, -2.5161
2 vehicles 2 casualties
FORD MONDEO VOLKSWAGEN TOURAN
View Details

Accident 201343R203123

Slight
51.5184, -0.6548
2 vehicles 2 casualties
FIAT PUNTO FORD FOCUS
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Accident 201343R239123

Slight
51.5187, -0.6548
2 vehicles 3 casualties
VAUXHALL ASTRA VOLKSWAGEN JETTA (3y)
View Details

Accident 2013621302397

Slight
51.6753, -3.9802
4 vehicles 2 casualties
FORD KA CITROEN C3 TOYOTA AYGO (1y) FORD FOCUS
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Accident 201343R269123

Serious
51.4962, -0.7320
2 vehicles 1 casualty
RENAULT TRAFIC MAN Model Missing (1y)
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Accident 201343R195123

Slight
51.5059, -0.6290
2 vehicles 1 casualty
MAN Model Missing (3y) VOLKSWAGEN POLO
View Details

Accident 2013621302442

Slight
51.5117, -3.3633
1 vehicle 1 casualty
FORD FIESTA
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Accident 2013610075013

Slight
51.5868, -2.8397
1 vehicle 1 casualty
VOLKSWAGEN EOS
View Details

Accident 201301TX20814

Slight
51.4876, -0.3867
2 vehicles 1 casualty
Car Car
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