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 200801XH30175

Slight
51.4929, -0.4539
3 vehicles 2 casualties
HONDA ACCORD Car ROVER 75
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Accident 200843N065038

Slight
51.4931, -0.5146
4 vehicles 3 casualties
LAND ROVER FREELANDER Car FORD FOCUS VAUXHALL ASTRA
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Accident 200843W053038

Slight
51.4205, -0.9252
2 vehicles 2 casualties
Car Car
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Accident 200843W066038

Slight
51.4414, -1.0696
2 vehicles 2 casualties
PEUGEOT 807 (4y) Taxi/Private hire car
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Accident 200843W042038

Slight
51.4150, -0.9474
1 vehicle 1 casualty
BMW 3 SERIES
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Accident 200854MB01108

Serious
51.5497, -1.8647
2 vehicles 5 casualties
Car BMW X5 (4y)
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Accident 2008620178358

Slight
51.6766, -3.9923
2 vehicles 2 casualties
NISSAN MICRA FORD KA
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Accident 200801XH30202

Serious
51.4945, -0.4858
1 vehicle 1 casualty
Car
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Accident 200843R058038

Slight
51.5089, -0.6427
1 vehicle 1 casualty
MERCEDES C CLASS
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Accident 200801TX20131

Slight
51.4896, -0.3716
2 vehicles 1 casualty
Motorcycle over 500cc VOLKSWAGEN POLO
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Accident 200843W035038

Slight
51.4671, -1.5137
1 vehicle 1 casualty
MERCEDES Model Missing (4y)
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Accident 2008610012508

Slight
51.5903, -2.8490
1 vehicle 1 casualty
PEUGEOT 307 (2y)
View Details

Accident 2008610012708

Slight
51.5969, -2.9650
2 vehicles 1 casualty
VOLKSWAGEN PASSAT Goods 7.5 tonnes mgw and over
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Accident 2008620177700

Slight
51.5115, -3.3580
2 vehicles 1 casualty
Vehicle TOYOTA COROLLA
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Accident 2008620177128

Slight
51.5280, -3.6265
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over FORD KA
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Accident 200843R023038

Slight
51.5049, -0.6246
2 vehicles 1 casualty
MAN Model Missing (4y) TOYOTA AVENSIS (3y)
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Accident 200843R003038

Slight
51.5020, -0.6058
3 vehicles 3 casualties
MERCEDES CLK CLASS RENAULT CLIO NISSAN SUNNY
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Accident 2008610019608

Slight
51.5978, -3.0128
3 vehicles 1 casualty
CITROEN XSARA FORD KA Car
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Accident 2008610011908

Slight
51.6016, -2.9294
2 vehicles 2 casualties
RENAULT MEGANE Goods 7.5 tonnes mgw and over
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Accident 200843R237028

Slight
51.4880, -0.5757
2 vehicles 1 casualty
Car BMW 5 SERIES
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