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 201143R102071

Slight
51.5058, -0.6291
3 vehicles 1 casualty
LEXUS IS200 FORD Model Missing SKODA OCTAVIA
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Accident 201143W110071

Slight
51.4138, -0.9773
1 vehicle 1 casualty
BMW 5 SERIES
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Accident 201143W060071

Slight
51.4201, -0.9096
2 vehicles 1 casualty
Car Car
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Accident 2011610039011

Slight
51.5813, -2.7279
1 vehicle 1 casualty
SAAB 9-5
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Accident 201143W075071

Slight
51.4507, -1.4040
1 vehicle 3 casualties
FORD FOCUS
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Accident 2011521105067

Slight
51.4995, -2.3682
3 vehicles 4 casualties
Goods 7.5 tonnes mgw and over Car PEUGEOT 407
View Details

Accident 2011521104287

Slight
51.5568, -2.5566
2 vehicles 1 casualty
FORD FIESTA Car
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Accident 2011620210071

Slight
51.6273, -3.8381
2 vehicles 1 casualty
FORD TRANSIT FORD MONDEO
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Accident 201143R051071

Slight
51.4975, -0.7297
2 vehicles 1 casualty
Car MERCEDES VITO (1y)
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Accident 201143R047071

Slight
51.5062, -0.6304
1 vehicle 1 casualty
VAUXHALL ASTRA
View Details

Accident 201101TX20374

Slight
51.4912, -0.3042
2 vehicles 3 casualties
LONDON TAXIS INT. TX1 MERCEDES SPRINTER
View Details

Accident 201143W027071

Serious
51.4625, -1.2337
1 vehicle 1 casualty
Van / Goods 3.5 tonnes mgw or under
View Details

Accident 201143R241061

Slight
51.4932, -0.5261
2 vehicles 1 casualty
VOLKSWAGEN TRANSPORTER SUZUKI GSF 600
View Details

Accident 2011620212217

Slight
51.5070, -3.3116
2 vehicles 1 casualty
Car SUZUKI SWIFT (4y)
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Accident 2011521104117

Slight
51.4983, -2.4435
5 vehicles 3 casualties
VOLKSWAGEN PASSAT VAUXHALL ASTRA (1y) RENAULT CLIO SEAT ALTEA ROVER 25
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Accident 201143R187061

Serious
51.4934, -0.5274
1 vehicle 1 casualty
FORD FOCUS
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Accident 201143W179061

Slight
51.4383, -1.0641
2 vehicles 1 casualty
FORD FOCUS NISSAN MICRA
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Accident 201143W208061

Slight
51.4240, -1.0329
3 vehicles 1 casualty
MERCEDES C CLASS (1y) FORD FOCUS (3y) Goods 7.5 tonnes mgw and over
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Accident 201143R270061

Slight
51.4933, -0.5102
2 vehicles 2 casualties
CITROEN BERLINGO (1y) MERCEDES VITO
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Accident 2011620209811

Slight
51.5614, -3.7392
3 vehicles 3 casualties
MERCEDES E CLASS (2y) MINI COOPER FORD FOCUS (4y)
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