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 2012549493712

Serious
51.5022, -1.5897
2 vehicles 2 casualties
Van / Goods 3.5 tonnes mgw or under SCANIA Model Missing
View Details

Accident 201201XH30662

Slight
51.4948, -0.4451
3 vehicles 2 casualties
BMW 3 SERIES MERCEDES CLC CLASS (2y) VAUXHALL INSIGNIA
View Details

Accident 201243R159102

Slight
51.4932, -0.5189
2 vehicles 2 casualties
RENAULT CLIO AUDI A2
View Details

Accident 201243W144102

Serious
51.4474, -1.4507
4 vehicles 2 casualties
IVECO-FORD Model Missing MG MGF BMW 3 SERIES Car
View Details

Accident 2012621201534

Slight
51.5142, -3.4843
1 vehicle 1 casualty
BMW M3
View Details

Accident 201201TD00136

Fatal
51.4933, -0.3580
1 vehicle 1 casualty
SCANIA Model Missing
View Details

Accident 201243W164102

Slight
51.4631, -1.2509
3 vehicles 3 casualties
PEUGEOT 306 BMW 1 SERIES (1y) VOLKSWAGEN GOLF (1y)
View Details

Accident 201243R196102

Slight
51.4945, -0.7355
5 vehicles 5 casualties
MERCEDES C CLASS (2y) FORD FIESTA Car FORD FOCUS BMW 3 SERIES (4y)
View Details

Accident 201243R195102

Slight
51.5185, -0.6548
3 vehicles 1 casualty
VOLKSWAGEN GOLF FORD FOCUS (3y) BMW 1 SERIES (2y)
View Details

Accident 201243R124102

Slight
51.5026, -0.6946
2 vehicles 1 casualty
JAGUAR X TYPE Motorcycle over 125cc and up to 500cc
View Details

Accident 201243R133102

Slight
51.4919, -0.5418
1 vehicle 1 casualty
SKODA SUPERB (3y)
View Details

Accident 201243W104102

Slight
51.4215, -0.9041
2 vehicles 2 casualties
Goods 7.5 tonnes mgw and over FORD ESCORT
View Details

Accident 2012621201175

Slight
51.5128, -3.4949
1 vehicle 1 casualty
MINI COOPER
View Details

Accident 2012521207099

Serious
51.5028, -2.3294
2 vehicles 1 casualty
Car MERCEDES Model Missing
View Details

Accident 2012521206901

Fatal
51.5097, -2.5163
11 vehicles 1 casualty
VOLKSWAGEN POLO (1y) VAUXHALL ASTRA Car PEUGEOT 107 RENAULT CLIO MAZDA 2 (2y) HONDA JAZZ Car MERCEDES SLK CLASS VAUXHALL CORSA (4y) MERCEDES Model Missing
View Details

Accident 2012549236412

Slight
51.5565, -1.8905
1 vehicle 1 casualty
MINI COOPER
View Details

Accident 201201XH30659

Slight
51.4947, -0.4711
1 vehicle 1 casualty
RENAULT CLIO
View Details

Accident 2012621201114

Slight
51.5331, -3.5679
2 vehicles 1 casualty
FORD FOCUS MAZDA Model Missing
View Details

Accident 201243R080102

Slight
51.4917, -0.5431
3 vehicles 1 casualty
VAUXHALL ASTRA JAGUAR XF SERIES (3y) VOLKSWAGEN POLO
View Details

Accident 201243R119102

Serious
51.4885, -0.5549
2 vehicles 1 casualty
MERCEDES SL CLASS HONDA CB500
View Details