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 2020622000484

Slight
51.5081, -3.3340
1 vehicle 1 casualty
MERCEDES C CLASS
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Accident 2020544862020

Slight
51.5146, -2.1314
2 vehicles 1 casualty
DAF TRUCKS Model Missing (1y) Car
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Accident 2020430151591

Slight
51.5091, -0.6443
2 vehicles 2 casualties
AUDI A4 BMW 5 SERIES
View Details

Accident 2020010248430

Slight
51.4932, -0.4217
2 vehicles 1 casualty
TOYOTA PRIUS MERCEDES VITO (4y)
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Accident 2020622000468

Slight
51.5100, -3.2992
3 vehicles 2 casualties
BMW 5 SERIES Car MITSUBISHI OUTLANDER
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Accident 2020010247993

Slight
51.4967, -0.4535
2 vehicles 1 casualty
MAN Model Missing (4y) FORD TRANSIT CONNECT
View Details

Accident 2020430137238

Serious
51.4932, -0.5223
2 vehicles 1 casualty
MERCEDES E CLASS NISSAN QASHQAI
View Details

Accident 2020622000446

Slight
51.5164, -3.6938
1 vehicle 1 casualty
CITROEN C2
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Accident 2020543350520

Fatal
51.5137, -1.6333
1 vehicle 2 casualties
BMW 1 SERIES
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Accident 2020610011320

Fatal
51.6022, -3.0023
2 vehicles 2 casualties
MERCEDES SPRINTER NISSAN MICRA
View Details

Accident 2020430120928

Slight
51.4229, -1.0293
2 vehicles 1 casualty
RENAULT MASTER Goods 7.5 tonnes mgw and over
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Accident 2020622000437

Slight
51.6495, -3.8496
1 vehicle 1 casualty
Motorcycle over 500cc
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Accident 2020430102772

Slight
51.4901, -0.5794
2 vehicles 1 casualty
Car Goods 7.5 tonnes mgw and over
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Accident 2020622000375

Serious
51.5323, -3.5422
2 vehicles 1 casualty
NISSAN QASHQAI VOLVO Model Missing
View Details

Accident 2020543109820

Slight
51.5145, -2.1004
3 vehicles 1 casualty
VOLKSWAGEN POLO VAUXHALL INSIGNIA VOLKSWAGEN CADDY
View Details

Accident 2020010243874

Slight
51.4952, -0.4527
2 vehicles 1 casualty
BMW 3 SERIES MERCEDES SPRINTER (1y)
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Accident 2020543040520

Slight
51.5446, -1.8551
2 vehicles 1 casualty
BMW M3 VOLKSWAGEN POLO
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Accident 2020610016020

Slight
51.5941, -3.0239
1 vehicle 1 casualty
VAUXHALL CORSA
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Accident 2020622000344

Slight
51.6000, -3.7910
2 vehicles 1 casualty
VOLVO Model Missing (3y) FORD FIESTA
View Details

Accident 2020010242567

Slight
51.4936, -0.4262
2 vehicles 1 casualty
AUDI A3 FORD TRANSIT
View Details