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 2009620188670

Slight
51.5162, -3.6964
3 vehicles 1 casualty
Car Car VAUXHALL ZAFIRA
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Accident 200943R029049

Slight
51.4472, -0.8190
3 vehicles 2 casualties
RENAULT CLIO DAEWOO LANOS VOLKSWAGEN GOLF (1y)
View Details

Accident 2009620188873

Serious
51.6315, -3.8377
1 vehicle 2 casualties
FORD MONDEO
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Accident 200954DE11809

Slight
51.5262, -1.7231
2 vehicles 1 casualty
VOLVO S60 (3y) BMW 1 SERIES (4y)
View Details

Accident 200943R213039

Slight
51.4998, -0.5907
3 vehicles 1 casualty
Goods 7.5 tonnes mgw and over Car Car
View Details

Accident 200954MA01509

Serious
51.5304, -1.7573
1 vehicle 1 casualty
SKODA FABIA (1y)
View Details

Accident 200943R212039

Slight
51.4992, -0.7146
4 vehicles 4 casualties
RENAULT Model Missing VAUXHALL CORSA (2y) MERCEDES ML CLASS (3y) LEXUS GS300
View Details

Accident 200954MA01309

Slight
51.5403, -1.8047
3 vehicles 4 casualties
FORD FOCUS (2y) VAUXHALL CORSA VOLKSWAGEN PASSAT
View Details

Accident 200943W267039

Slight
51.4307, -1.0483
2 vehicles 1 casualty
VAUXHALL CORSA NISSAN TERRANO
View Details

Accident 2009520903011

Slight
51.5018, -2.3480
2 vehicles 1 casualty
Car Car
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Accident 200943W248039

Slight
51.4930, -0.5166
2 vehicles 1 casualty
VOLVO Model Missing (4y) AUDI A3
View Details

Accident 200954MA01409

Slight
51.5521, -1.8702
1 vehicle 2 casualties
VAUXHALL ASTRA (1y)
View Details

Accident 2009620188259

Slight
51.5337, -3.5549
2 vehicles 1 casualty
SMART ROADSTER (4y) MAN Model Missing (4y)
View Details

Accident 200943R161039

Slight
51.5021, -0.6086
2 vehicles 1 casualty
ALFA ROMEO 156 VAUXHALL ASTRA
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Accident 200943R148039

Slight
51.4472, -0.8190
3 vehicles 1 casualty
AUDI A4 (2y) VOLKSWAGEN PASSAT (2y) VAUXHALL ASTRA (3y)
View Details

Accident 200943W200039

Slight
51.4736, -1.5372
3 vehicles 1 casualty
Car MAZDA MX-5 (2y) PORSCHE BOXSTER (4y)
View Details

Accident 2009620188289

Slight
51.5096, -3.3591
2 vehicles 1 casualty
FORD PROBE Car
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Accident 200954MB01209

Slight
51.5258, -2.0360
2 vehicles 1 casualty
Car TRIUMPH TIGER (2y)
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Accident 200943R155039

Slight
51.4688, -0.7735
1 vehicle 1 casualty
VOLKSWAGEN POLO
View Details

Accident 200943W283039

Slight
51.4602, -1.1677
2 vehicles 2 casualties
TOYOTA AURIS (2y) FORD MONDEO
View Details