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 2018610049618

Slight
51.5761, -2.7074
2 vehicles 1 casualty
Van / Goods 3.5 tonnes mgw or under MINI COOPER
View Details

Accident 2018010135669

Slight
51.4929, -0.3253
2 vehicles 2 casualties
VOLKSWAGEN SHARAN (4y) FORD TRANSIT CUSTOM
View Details

Accident 2018621801236

Slight
51.5085, -3.3458
3 vehicles 2 casualties
FORD FIESTA VOLKSWAGEN TRANSPORTER FORD MONDEO
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Accident 2018430301350

Slight
51.4933, -0.5221
2 vehicles 1 casualty
NISSAN ALMERA NISSAN X-TRAIL
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Accident 2018621801223

Slight
51.5472, -3.7325
2 vehicles 1 casualty
FORD TRANSIT CONNECT CITROEN C1
View Details

Accident 2018430292003

Slight
51.4628, -1.2338
3 vehicles 3 casualties
MINI ONE NISSAN QASHQAI FORD C-MAX
View Details

Accident 2018430296179

Slight
51.5022, -0.5983
3 vehicles 1 casualty
VAUXHALL ASTRA FORD FIESTA SUZUKI VITARA
View Details

Accident 2018010134194

Slight
51.4895, -0.2777
2 vehicles 1 casualty
RENAULT CLIO TOYOTA PRIUS
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Accident 2018430288884

Slight
51.4921, -0.5394
2 vehicles 1 casualty
RENAULT CLIO VAUXHALL ASTRA
View Details

Accident 2018548814818

Slight
51.5301, -1.7495
4 vehicles 1 casualty
BMW 1 SERIES (1y) BMW 3 SERIES (3y) SAAB 9-5 MERCEDES Model Missing (3y)
View Details

Accident 2018621801194

Slight
51.5462, -3.1906
3 vehicles 1 casualty
BMW 3 SERIES (3y) FIAT 500 DAF TRUCKS Model Missing
View Details

Accident 2018010133426

Slight
51.4912, -0.2926
2 vehicles 1 casualty
NISSAN JUKE Car
View Details

Accident 2018621801192

Slight
51.6657, -3.8822
2 vehicles 1 casualty
FORD TRANSIT (1y) TOYOTA YARIS (4y)
View Details

Accident 2018010132896

Serious
51.4930, -0.4215
2 vehicles 2 casualties
LAND ROVER DEFENDER MERCEDES A CLASS (1y)
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Accident 2018548730818

Slight
51.5118, -2.1497
2 vehicles 1 casualty
MAZDA 3 KIA SPORTAGE
View Details

Accident 2018010132653

Slight
51.4955, -0.4635
2 vehicles 1 casualty
MERCEDES S CLASS Car
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Accident 2018430282419

Slight
51.4177, -0.9413
2 vehicles 1 casualty
DAF TRUCKS Model Missing FIAT PUNTO
View Details

Accident 2018010132089

Slight
51.4907, -0.3653
2 vehicles 1 casualty
YAMAHA TRACER SMART FORFOUR
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Accident 2018010131695

Slight
51.4941, -0.4830
3 vehicles 1 casualty
TOYOTA PRIUS VOLVO Model Missing SCANIA Model Missing
View Details

Accident 2018430283996

Slight
51.4947, -0.5032
3 vehicles 1 casualty
VOLKSWAGEN GOLF (1y) AUDI A4 (2y) VOLKSWAGEN POLO
View Details