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

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Serious
Slight
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Recent Accidents

Showing 20 of 29,200 accidents

Accident 198243C132072

Slight
1 vehicle 1 casualty
Vehicle
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Accident 198261A297820

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1 vehicle 1 casualty
Vehicle
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Accident 1982010TC0372

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3 vehicles 1 casualty
Vehicle Vehicle Vehicle
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Accident 1982010TC0363

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3 vehicles 3 casualties
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Accident 1982010TC0402

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2 vehicles 2 casualties
Vehicle Vehicle
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Accident 198254MB01562

Serious
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198254MB01552

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2 vehicles 2 casualties
Vehicle Vehicle
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Accident 198243C134072

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2 vehicles 1 casualty
Vehicle Vehicle
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Accident 19826382A0257

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1 vehicle 1 casualty
Vehicle
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Accident 198243F071072

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2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198261A289820

Slight
1 vehicle 4 casualties
Vehicle
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Accident 1982530BI9031

Serious
4 vehicles 1 casualty
Vehicle Vehicle Vehicle Vehicle
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Accident 1982010TC0355

Slight
2 vehicles 2 casualties
Vehicle Vehicle
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Accident 198254MB01542

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3 vehicles 1 casualty
Vehicle Vehicle Vehicle
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Accident 1982010TC0356

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1 vehicle 2 casualties
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Accident 198254MA01532

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2 vehicles 1 casualty
Vehicle Vehicle
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Accident 198243C100072

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1 vehicle 1 casualty
Vehicle
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Accident 1982620G02060

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3 vehicles 6 casualties
Bus or coach (17 or more pass seats) Vehicle Vehicle
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Accident 1982010TC0350

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3 vehicles 1 casualty
Vehicle Vehicle Vehicle
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Accident 1982620D03140

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2 vehicles 1 casualty
Vehicle Vehicle
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