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 2003620098061

Serious
51.5088, -3.3024
4 vehicles 4 casualties
ROVER 75 FORD MONDEO AUDI A4 TOYOTA CARINA
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Accident 200354MB13903

Slight
51.5303, -1.7546
2 vehicles 1 casualty
DAEWOO MATIZ (1y) DAF TRUCKS FA 55LF
View Details

Accident 200343W157123

Slight
51.5042, -0.6224
2 vehicles 1 casualty
ROVER METRO (4y) BMW 3 SERIES (1y)
View Details

Accident 200343W315123

Slight
51.4991, -0.7136
5 vehicles 1 casualty
PORSCHE 944 Vehicle MERCEDES S CLASS SEAT IBIZA (4y) BMW 5 SERIES
View Details

Accident 200343W138123

Slight
51.5023, -0.6127
4 vehicles 1 casualty
FORD KA NISSAN MICRA (4y) FORD FOCUS ALFA ROMEO 156
View Details

Accident 2003620099123

Slight
51.7093, -4.0604
2 vehicles 2 casualties
VOLVO S40 VAUXHALL ASTRAMAX
View Details

Accident 200343W222123

Slight
51.4126, -0.9566
2 vehicles 1 casualty
SCANIA Model Missing ROVER 100 SERIES
View Details

Accident 200343W262123

Slight
51.4910, -0.5812
2 vehicles 1 casualty
ROVER 600 SERIES (4y) SAAB 9-5
View Details

Accident 2003620097889

Slight
51.5168, -3.5073
2 vehicles 1 casualty
Vehicle SEAT CORDOBA (4y)
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Accident 2003610133303

Slight
51.6031, -2.9805
2 vehicles 1 casualty
IVECO-FORD Model Missing (2y) Goods 7.5 tonnes mgw and over
View Details

Accident 2003620098540

Slight
51.6777, -3.9132
2 vehicles 1 casualty
VOLVO Model Missing VOLVO Model Missing
View Details

Accident 200343W173123

Slight
51.5022, -0.6014
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over BMW 3 SERIES (3y)
View Details

Accident 200343P146123

Slight
51.4496, -1.4138
3 vehicles 1 casualty
FORD FIESTA (3y) FORD TRANSIT VOLVO Model Missing
View Details

Accident 200343W123123

Slight
51.4206, -1.0109
1 vehicle 2 casualties
ROVER 200 SERIES
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Accident 2003520163082

Slight
51.5018, -2.3375
2 vehicles 1 casualty
SAAB 9-3 VAUXHALL CAVALIER (3y)
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Accident 200301TX00979

Slight
51.4912, -0.4108
2 vehicles 1 casualty
VOLKSWAGEN GOLF Vehicle
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Accident 200343P043123

Fatal
51.4703, -1.5237
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 200301TE00720

Slight
51.4917, -0.4093
2 vehicles 1 casualty
ROVER 400 SERIES (4y) Vehicle
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Accident 200354MB13703

Slight
51.5472, -1.9579
4 vehicles 1 casualty
Vehicle VAUXHALL CAVALIER PEUGEOT 106 (2y) HONDA LEGEND (4y)
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Accident 2003610134603

Slight
51.5942, -2.9574
2 vehicles 1 casualty
RENAULT Model Missing FIAT SEICENTO
View Details