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 200143W354031

Slight
51.4938, -0.5075
2 vehicles 2 casualties
Vehicle PEUGEOT 306
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Accident 200101TX00306

Serious
51.4816, -0.4523
2 vehicles 1 casualty
LONDON TAXIS INT. TX1 (2y) IVECO-FORD Model Missing
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Accident 200101TX00284

Slight
51.4824, -0.4528
2 vehicles 2 casualties
VAUXHALL CAVALIER VOLKSWAGEN POLO (2y)
View Details

Accident 2001520039381

Serious
51.5460, -2.5478
5 vehicles 3 casualties
Van / Goods 3.5 tonnes mgw or under HYUNDAI COUPE (4y) VAUXHALL ASTRA ROVER 200 SERIES (3y) CITROEN BX
View Details

Accident 200154MB02601

Slight
51.5264, -1.6945
4 vehicles 1 casualty
Vehicle CITROEN XANTIA (2y) JAGUAR XJ SERIES (3y) ROVER 200 SERIES (3y)
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Accident 200101TX00277

Serious
51.4947, -0.4760
2 vehicles 2 casualties
SEAT MARBELLA CITROEN XANTIA
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Accident 2001620032187

Slight
51.5248, -3.2468
2 vehicles 3 casualties
VAUXHALL CAVALIER RENAULT SAFRANE
View Details

Accident 200143W294031

Slight
51.4539, -1.3014
1 vehicle 1 casualty
FORD FOCUS
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Accident 200143W703031

Serious
51.5021, -0.6053
2 vehicles 1 casualty
FORD TRANSIT FORD FIESTA
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Accident 200143W331031

Slight
51.4931, -0.5303
3 vehicles 1 casualty
Goods 7.5 tonnes mgw and over ROVER 100 SERIES RENAULT 11
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Accident 2001520036889

Slight
51.5046, -2.5009
2 vehicles 1 casualty
IVECO-FORD Model Missing Goods 7.5 tonnes mgw and over
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Accident 200143W257031

Slight
51.4518, -1.3106
1 vehicle 1 casualty
FORD FOCUS
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Accident 200143W264031

Slight
51.4493, -1.4151
3 vehicles 1 casualty
VAUXHALL VECTRA (4y) ROVER RANGE ROVER FORD FOCUS (2y)
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Accident 200143W266031

Slight
51.4877, -0.5575
2 vehicles 1 casualty
CITROEN SAXO (2y) PEUGEOT 309
View Details

Accident 200143W260031

Serious
51.4500, -1.4097
2 vehicles 1 casualty
FORD ESCORT VOLVO Model Missing
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Accident 200143W237031

Slight
51.4996, -0.7188
2 vehicles 1 casualty
TOYOTA AVENSIS (2y) VAUXHALL OMEGA
View Details

Accident 2001620034941

Slight
51.5265, -3.5265
2 vehicles 2 casualties
FORD FIESTA (1y) RENAULT CLIO (2y)
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Accident 200154MB02301

Slight
51.5156, -1.6472
3 vehicles 4 casualties
VAUXHALL ASTRA MERCEDES E CLASS (1y) CITROEN XANTIA (3y)
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Accident 2001610046101

Slight
51.6019, -2.9087
4 vehicles 3 casualties
RENAULT CLIO VOLVO 960 SEAT IBIZA (2y) MERCEDES C CLASS (2y)
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Accident 200101TX00270

Slight
51.4876, -0.3870
2 vehicles 1 casualty
RENAULT 5 Goods 7.5 tonnes mgw and over
View Details