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 201443R155064

Slight
51.5093, -0.6454
2 vehicles 1 casualty
Motorcycle over 500cc Car
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Accident 2014621401126

Slight
51.5276, -3.6274
2 vehicles 1 casualty
VAUXHALL CORSA DAF TRUCKS Model Missing
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Accident 2014621401117

Slight
51.5321, -3.2280
3 vehicles 1 casualty
LAND ROVER DISCOVERY (1y) VAUXHALL VIVARO (3y) FORD FIESTA
View Details

Accident 2014545472714

Slight
51.5532, -1.9235
2 vehicles 1 casualty
FORD KA FORD KA (3y)
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Accident 201443W113064

Slight
51.4685, -1.5173
2 vehicles 1 casualty
BMW 3 SERIES Goods 7.5 tonnes mgw and over
View Details

Accident 201443W126064

Slight
51.4479, -1.4564
2 vehicles 4 casualties
VOLKSWAGEN PASSAT VAUXHALL ASTRA
View Details

Accident 201401ID60031

Slight
51.4821, -0.4527
3 vehicles 2 casualties
BMW 5 SERIES AUDI A5 HONDA CIVIC
View Details

Accident 2014621401120

Slight
51.5168, -3.7029
1 vehicle 2 casualties
FORD FIESTA
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Accident 2014610030314

Slight
51.6008, -2.9322
2 vehicles 1 casualty
MERCEDES Model Missing (2y) MINI COOPER (3y)
View Details

Accident 201401ID60029

Slight
51.4951, -0.4543
2 vehicles 2 casualties
PEUGEOT 407 VAUXHALL CORSA (2y)
View Details

Accident 2014610049714

Serious
51.5787, -2.7179
2 vehicles 1 casualty
RENAULT CLIO SCANIA Model Missing (1y)
View Details

Accident 201401XH30350

Slight
51.4943, -0.4784
2 vehicles 1 casualty
MERCEDES E CLASS SUZUKI GSX 1300
View Details

Accident 2014545298514

Slight
51.5157, -2.1228
2 vehicles 1 casualty
VAUXHALL VECTRA Car
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Accident 201443R096064

Slight
51.4890, -0.7484
3 vehicles 3 casualties
Car TOYOTA COROLLA BMW 3 SERIES
View Details

Accident 2014621401067

Slight
51.6580, -3.8631
2 vehicles 3 casualties
Goods 7.5 tonnes mgw and over PEUGEOT 206
View Details

Accident 201443W125064

Slight
51.4116, -0.9670
3 vehicles 1 casualty
BMW X3 (1y) BMW 1 SERIES VOLKSWAGEN POLO
View Details

Accident 201443W093064

Slight
51.4604, -1.1705
3 vehicles 3 casualties
BMW 4 SERIES HONDA CIVIC (1y) MERCEDES C CLASS (1y)
View Details

Accident 201443R198064

Slight
51.4932, -0.5126
3 vehicles 1 casualty
MERCEDES Model Missing VOLKSWAGEN TRANSPORTER VAUXHALL VIVARO
View Details

Accident 2014621401068

Slight
51.5260, -3.2472
2 vehicles 1 casualty
VOLKSWAGEN CRAFTER Car
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Accident 2014621401065

Slight
51.5463, -3.1600
2 vehicles 1 casualty
VOLKSWAGEN CRAFTER (1y) KAWASAKI ZR1100
View Details