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 2011547604611

Slight
51.5071, -1.6050
1 vehicle 1 casualty
VAUXHALL CORSA (4y)
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Accident 201143W011091

Slight
51.4387, -1.0641
2 vehicles 2 casualties
TOYOTA RAV4 (1y) Car
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Accident 2011620211235

Slight
51.5268, -3.2414
3 vehicles 2 casualties
MINI COOPER RENAULT CLIO RENAULT CLIO (2y)
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Accident 2011521105764

Slight
51.5726, -2.6945
1 vehicle 1 casualty
MG ZR
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Accident 2011620211386

Slight
51.6765, -3.9966
3 vehicles 2 casualties
LAND ROVER RANGE ROVER VAUXHALL CORSA (2y) MERCEDES SPRINTER
View Details

Accident 2011610063511

Slight
51.5804, -2.7618
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over BMW 1 SERIES (1y)
View Details

Accident 201143W156081

Slight
51.4512, -1.3928
1 vehicle 1 casualty
Car
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Accident 201143R216081

Serious
51.5076, -0.6371
1 vehicle 2 casualties
FORD FIESTA
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Accident 2011630211372

Serious
51.7451, -4.0655
1 vehicle 2 casualties
FIAT STILO
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Accident 2011610047611

Slight
51.5988, -2.9392
2 vehicles 1 casualty
FORD FOCUS NISSAN MICRA
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Accident 2011547542611

Slight
51.5104, -2.1991
1 vehicle 1 casualty
CITROEN BERLINGO
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Accident 2011547411411

Slight
51.5262, -1.7226
3 vehicles 1 casualty
FORD FIESTA (1y) SAAB 9-3 (3y) VAUXHALL VECTRA
View Details

Accident 2011547403611

Serious
51.5404, -1.7998
1 vehicle 1 casualty
KAWASAKI EX650
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Accident 2011610047711

Slight
51.5847, -3.0350
2 vehicles 1 casualty
Car BMW 5 SERIES
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Accident 201143W167081

Serious
51.4832, -1.5597
2 vehicles 3 casualties
PEUGEOT 306 HONDA CIVIC (4y)
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Accident 201143W159081

Slight
51.4124, -0.9565
1 vehicle 2 casualties
SUBARU FORESTER
View Details

Accident 201101TX20512

Slight
51.4891, -0.3149
2 vehicles 2 casualties
BMW X5 LONDON TAXIS INT. TX4 (3y)
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Accident 201143R136081

Slight
51.4933, -0.5304
2 vehicles 1 casualty
Car RENAULT CLIO
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Accident 2011620211145

Slight
51.6763, -3.9966
2 vehicles 1 casualty
PEUGEOT 206 KAWASAKI ZX1200
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Accident 201143R119081

Slight
51.4932, -0.5218
2 vehicles 3 casualties
HYUNDAI ELANTRA VAUXHALL ASTRA (3y)
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