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 2018010095219

Slight
51.4852, -0.4525
3 vehicles 1 casualty
MERCEDES B CLASS MERCEDES B CLASS VAUXHALL INSIGNIA
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Accident 2018521802936

Serious
51.5061, -2.4917
1 vehicle 4 casualties
JAGUAR XF SERIES
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Accident 2018610009318

Serious
51.5771, -3.0324
2 vehicles 2 casualties
PORSCHE BOXSTER (3y) YAMAHA Model Missing
View Details

Accident 2018430077862

Slight
51.5045, -0.6237
1 vehicle 1 casualty
HONDA CIVIC
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Accident 2018610011018

Fatal
51.6020, -3.0028
4 vehicles 2 casualties
FORD FOCUS (3y) DAF TRUCKS Model Missing SCANIA Model Missing (1y) DAF TRUCKS Model Missing
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Accident 2018430076584

Slight
51.4983, -0.7272
2 vehicles 1 casualty
CITROEN XSARA LAND ROVER RANGE ROVER EVOQUE
View Details

Accident 2018430071262

Serious
51.5017, -0.6970
1 vehicle 1 casualty
SCANIA Model Missing (1y)
View Details

Accident 2018010094148

Slight
51.4949, -0.4697
2 vehicles 2 casualties
Car NISSAN MICRA
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Accident 2018542015818

Slight
51.5257, -1.7114
2 vehicles 2 casualties
MERCEDES SPRINTER (3y) VOLKSWAGEN TRANSPORTER (3y)
View Details

Accident 2018541930418

Slight
51.5390, -1.9875
1 vehicle 1 casualty
VAUXHALL CORSA
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Accident 2018521802185

Slight
51.5734, -2.6221
2 vehicles 2 casualties
AUDI A3 VAUXHALL ASTRA
View Details

Accident 2018621800234

Slight
51.6207, -3.8171
2 vehicles 1 casualty
FIAT 500 VOLKSWAGEN POLO
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Accident 2018621800236

Slight
51.5213, -3.5126
1 vehicle 1 casualty
AUDI A1
View Details

Accident 2018430070884

Slight
51.5083, -0.6832
2 vehicles 1 casualty
HONDA CRV Car
View Details

Accident 2018430060973

Slight
51.4939, -0.5075
3 vehicles 2 casualties
CITROEN C1 KIA RIO VOLKSWAGEN PASSAT
View Details

Accident 2018430060393

Slight
51.4138, -0.9702
2 vehicles 1 casualty
FORD TRANSIT Car
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Accident 2018430070823

Slight
51.4933, -0.5216
4 vehicles 1 casualty
Goods 7.5 tonnes mgw and over Car MERCEDES CLK CLASS MAZDA 6
View Details

Accident 2018621800209

Slight
51.5314, -3.5359
1 vehicle 1 casualty
VAUXHALL ZAFIRA
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Accident 2018610020018

Slight
51.5811, -2.7846
2 vehicles 1 casualty
BMW 1 SERIES FORD FIESTA (1y)
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Accident 2018541550418

Slight
51.5133, -2.1402
1 vehicle 1 casualty
VAUXHALL MERIVA
View Details