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 198543C024025

Slight
3 vehicles 1 casualty
Vehicle Vehicle Vehicle
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Accident 198552DC00236

Slight
1 vehicle 1 casualty
Vehicle
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Accident 198554MA00355

Slight
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198543C011025

Slight
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198554MA00295

Serious
1 vehicle 4 casualties
Vehicle
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Accident 198543C004025

Slight
1 vehicle 1 casualty
Vehicle
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Accident 198543E001025

Fatal
1 vehicle 1 casualty
Vehicle
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Accident 1985620F01090

Serious
1 vehicle 1 casualty
Vehicle
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Accident 198543C092015

Slight
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198561A039850

Slight
3 vehicles 1 casualty
Vehicle Vehicle Vehicle
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Accident 198552DC00167

Slight
1 vehicle 1 casualty
Vehicle
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Accident 198543E085015

Fatal
1 vehicle 1 casualty
Vehicle
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Accident 198543C080015

Slight
17 vehicles 2 casualties
Vehicle Vehicle Vehicle Vehicle Vehicle Vehicle Van / Goods 3.5 tonnes mgw or under Vehicle Vehicle Vehicle Vehicle Vehicle Vehicle Bus or coach (17 or more pass seats) Vehicle Vehicle Vehicle
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Accident 198554MA00225

Slight
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198543F045015

Slight
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198554MA00205

Slight
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198554MB00215

Slight
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 1985620F00790

Slight
1 vehicle 1 casualty
Vehicle
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Accident 1985620B01260

Fatal
3 vehicles 1 casualty
Vehicle Vehicle Vehicle
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Accident 198543C050015

Slight
1 vehicle 1 casualty
Vehicle
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