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 2010620205475

Slight
51.6166, -3.8124
2 vehicles 2 casualties
RENAULT CLIO SMART FORTWO (2y)
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Accident 2010620205473

Slight
51.6547, -3.8521
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over FORD MONDEO
View Details

Accident 201043R208110

Slight
51.4933, -0.5290
3 vehicles 1 casualty
FORD KA RENAULT SCENIC AUDI A3 (2y)
View Details

Accident 201001TX20820

Slight
51.4905, -0.3660
2 vehicles 1 casualty
PEUGEOT 406 Van / Goods 3.5 tonnes mgw or under
View Details

Accident 201001TX20847

Slight
51.4916, -0.4096
2 vehicles 3 casualties
MERCEDES E CLASS VOLVO Model Missing
View Details

Accident 2010610081110

Slight
51.5970, -2.9651
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over BMW 3 SERIES (1y)
View Details

Accident 2010620205178

Slight
51.5283, -3.2361
2 vehicles 1 casualty
PEUGEOT 106 Car
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Accident 201043W224110

Slight
51.4147, -0.9797
3 vehicles 1 casualty
Car BMW 5 SERIES FORD FOCUS (2y)
View Details

Accident 201043W195110

Slight
51.4531, -1.3238
2 vehicles 1 casualty
Car MAZDA 2 (1y)
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Accident 2010610080010

Slight
51.5702, -3.0342
5 vehicles 1 casualty
Car RENAULT Model Missing CITROEN SAXO RENAULT SCENIC PEUGEOT 306
View Details

Accident 2010620205187

Slight
51.6300, -3.8291
2 vehicles 2 casualties
NISSAN MICRA RENAULT MASTER
View Details

Accident 201043W182110

Slight
51.4370, -1.0614
2 vehicles 1 casualty
Van / Goods 3.5 tonnes mgw or under VAUXHALL ASTRA
View Details

Accident 2010521009420

Fatal
51.5048, -2.5054
3 vehicles 4 casualties
TOYOTA YARIS SEAT TOLEDO PEUGEOT 106
View Details

Accident 201043N324110

Slight
51.5103, -0.6565
1 vehicle 2 casualties
MITSUBISHI LANCER
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Accident 201001XH30831

Slight
51.4943, -0.4847
5 vehicles 1 casualty
FORD FOCUS Car VAUXHALL ASTRA VOLKSWAGEN GOLF SEAT LEON
View Details

Accident 201001XH30850

Slight
51.4958, -0.4587
2 vehicles 1 casualty
MITSUBISHI COLT (4y) HONDA ACCORD
View Details

Accident 201043W146110

Slight
51.4187, -0.9927
5 vehicles 1 casualty
VOLKSWAGEN GOLF (2y) PEUGEOT 206 VAUXHALL ASTRA (2y) SEAT ALTEA Car
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Accident 2010620205248

Slight
51.5116, -3.4958
2 vehicles 1 casualty
FIAT PUNTO KIA CARENS
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Accident 201043W144110

Serious
51.4602, -1.1405
1 vehicle 1 casualty
MERCEDES C CLASS
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Accident 201001XH30795

Slight
51.4939, -0.4331
2 vehicles 3 casualties
VAUXHALL ZAFIRA (2y) MG ZR
View Details