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 1987620D08320

Slight
1 vehicle 2 casualties
Vehicle
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Accident 198752DC00839

Slight
2 vehicles 2 casualties
Vehicle Vehicle
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Accident 198761A128870

Slight
2 vehicles 1 casualty
Vehicle Van / Goods 3.5 tonnes mgw or under
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Accident 198761A135870

Slight
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198754MB01357

Serious
1 vehicle 2 casualties
Vehicle
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Accident 1987620B11260

Slight
1 vehicle 1 casualty
Vehicle
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Accident 198743C037057

Serious
3 vehicles 2 casualties
Vehicle Van / Goods 3.5 tonnes mgw or under Vehicle
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Accident 198743E025057

Slight
1 vehicle 3 casualties
Vehicle
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Accident 198743E023057

Slight
1 vehicle 1 casualty
Vehicle
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Accident 198701TC00247

Slight
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198701TC00168

Slight
4 vehicles 1 casualty
Vehicle Vehicle Vehicle Vehicle
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Accident 1987620F05730

Serious
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198743F016057

Serious
1 vehicle 1 casualty
Vehicle
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Accident 198761A124870

Slight
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198743F014057

Slight
1 vehicle 1 casualty
Vehicle
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Accident 198763A017287

Serious
2 vehicles 2 casualties
Van / Goods 3.5 tonnes mgw or under Vehicle
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Accident 1987620D07960

Slight
1 vehicle 1 casualty
Vehicle
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Accident 198701TC00228

Slight
1 vehicle 1 casualty
Vehicle
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Accident 1987620D08110

Serious
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198701TC00223

Serious
1 vehicle 1 casualty
Vehicle
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