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 200154MB07901

Slight
51.5086, -1.6118
2 vehicles 2 casualties
ROVER 200 SERIES (3y) MERCEDES Model Missing
View Details

Accident 2001620041121

Slight
51.5329, -3.5647
3 vehicles 1 casualty
Vehicle FORD MONDEO (4y) DENNIS Model Missing (1y)
View Details

Accident 200154MA07801

Slight
51.5142, -2.0954
2 vehicles 1 casualty
FORD SCORPIO (3y) FORD FOCUS (2y)
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Accident 200143W668071

Slight
51.4911, -0.5457
2 vehicles 1 casualty
LANCIA Y10 RENAULT CLIO
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Accident 2001620040497

Slight
51.4672, -3.2568
2 vehicles 4 casualties
SAAB 9-3 (1y) FIAT UNO
View Details

Accident 2001610084201

Serious
51.5616, -3.0410
1 vehicle 1 casualty
FORD KA (1y)
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Accident 200154MA08001

Serious
51.5287, -1.7396
1 vehicle 2 casualties
ROVER 75
View Details

Accident 200154CD47201

Slight
51.5157, -2.1228
2 vehicles 1 casualty
MERCEDES C CLASS (2y) SCANIA Model Missing
View Details

Accident 200143W608071

Slight
51.4990, -0.7117
2 vehicles 1 casualty
ROVER 400 SERIES CITROEN SAXO (3y)
View Details

Accident 200143W676071

Slight
51.4889, -0.7485
6 vehicles 1 casualty
VOLKSWAGEN PASSAT (1y) PEUGEOT 306 (2y) ROVER 75 (1y) SAAB 9-5 (2y) Vehicle Vehicle
View Details

Accident 2001610079001

Slight
51.5644, -3.0378
1 vehicle 2 casualties
Vehicle
View Details

Accident 200143W613071

Slight
51.4935, -0.5101
4 vehicles 2 casualties
BEDFORD ASTRA TOYOTA CELICA (3y) VOLKSWAGEN GOLF (4y) SUZUKI SWIFT
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Accident 2001520100668

Slight
51.5110, -2.5174
2 vehicles 1 casualty
Vehicle VOLKSWAGEN PASSAT (2y)
View Details

Accident 200101TX00778

Slight
51.4914, -0.3007
3 vehicles 1 casualty
Vehicle SAAB 900 ROVER 200 SERIES (3y)
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Accident 200101TX00776

Serious
51.4924, -0.4159
1 vehicle 2 casualties
VAUXHALL FRONTERA
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Accident 200143W574071

Slight
51.5060, -0.6875
1 vehicle 1 casualty
KAWASAKI Model Missing
View Details

Accident 200154MA07601

Slight
51.5471, -1.9524
1 vehicle 2 casualties
MERCEDES Model Missing
View Details

Accident 2001520099546

Slight
51.5046, -2.4995
2 vehicles 1 casualty
MERCEDES Model Missing Vehicle
View Details

Accident 200143W552071

Slight
51.4387, -1.0655
4 vehicles 1 casualty
SCANIA Model Missing (1y) VOLVO Model Missing (1y) FORD GRANADA SCANIA Model Missing (2y)
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Accident 200154MA07401

Slight
51.5148, -1.6430
6 vehicles 3 casualties
IVECO-FORD Model Missing Vehicle MERCEDES E CLASS BMW 3 SERIES VAUXHALL CAVALIER Vehicle
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