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 201401XH30520

Slight
51.4927, -0.4165
4 vehicles 5 casualties
MINI ONE (1y) FORD FOCUS FIAT PUNTO (4y) Bus or coach (17 or more pass seats)
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Accident 201443R174084

Serious
51.5022, -0.6027
2 vehicles 1 casualty
BMW 5 SERIES VAUXHALL CORSA (3y)
View Details

Accident 2014547661314

Serious
51.5142, -2.0933
2 vehicles 3 casualties
Goods over 3.5t. and under 7.5t AUDI TT (4y)
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Accident 201443R172084

Slight
51.4991, -0.7102
2 vehicles 3 casualties
VOLKSWAGEN GOLF BMW 3 SERIES (3y)
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Accident 2014610069614

Slight
51.5561, -3.0501
3 vehicles 1 casualty
PEUGEOT 407 RENAULT MEGANE MERCEDES C CLASS
View Details

Accident 2014547631514

Slight
51.5068, -1.6022
2 vehicles 1 casualty
Motorcycle over 500cc SEAT IBIZA
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Accident 2014621401634

Slight
51.5071, -3.3262
1 vehicle 1 casualty
VAUXHALL CORSA
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Accident 201443W160084

Slight
51.4373, -0.8397
1 vehicle 1 casualty
SEAT LEON
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Accident 2014610050814

Slight
51.5865, -2.8374
2 vehicles 1 casualty
NISSAN NOTE (4y) RENAULT TRAFIC
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Accident 201401XH30561

Slight
51.4826, -0.4530
2 vehicles 1 casualty
VOLKSWAGEN POLO MERCEDES E CLASS
View Details

Accident 201401TX20616

Slight
51.4912, -0.2954
3 vehicles 2 casualties
FORD GALAXY FORD GALAXY (1y) FORD GALAXY
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Accident 201443R144084

Slight
51.4908, -0.7434
1 vehicle 2 casualties
CITROEN SAXO
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Accident 201443R138084

Slight
51.4508, -0.8091
2 vehicles 1 casualty
Car FORD FOCUS
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Accident 201443R125084

Slight
51.4932, -0.5217
5 vehicles 1 casualty
FORD MONDEO VAUXHALL ZAFIRA MINI COOPER Car AUDI A4
View Details

Accident 201443R121084

Slight
51.4916, -0.7408
3 vehicles 2 casualties
FORD FIESTA VOLKSWAGEN PASSAT MERCEDES E CLASS
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Accident 201401XH30499

Slight
51.4933, -0.4244
3 vehicles 2 casualties
Car HONDA CIVIC SEAT IBIZA
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Accident 2014610049214

Slight
51.5442, -3.1064
2 vehicles 1 casualty
FORD KA AUDI A4
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Accident 2014521405927

Slight
51.4979, -2.4020
2 vehicles 1 casualty
CITROEN SAXO RENAULT TRUCKS Model Missing (1y)
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Accident 201443R236084

Slight
51.4933, -0.5248
4 vehicles 7 casualties
FORD TRANSIT MERCEDES C CLASS VAUXHALL ZAFIRA (1y) RENAULT MEGANE
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Accident 2014621401776

Slight
51.5140, -3.4996
2 vehicles 1 casualty
FORD FIESTA (1y) CITROEN SAXO
View Details