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 2012620214429

Slight
51.6362, -3.8396
2 vehicles 2 casualties
HONDA CRV FORD MONDEO
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Accident 2012620213720

Slight
51.5075, -3.3067
2 vehicles 1 casualty
FORD KA (2y) MAN Model Missing (4y)
View Details

Accident 2012540451612

Serious
51.5153, -2.0743
4 vehicles 2 casualties
PEUGEOT 106 VOLKSWAGEN PASSAT (3y) JAGUAR X TYPE Car
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Accident 2012620214070

Slight
51.5423, -3.1335
2 vehicles 2 casualties
FORD KA VAUXHALL ASTRA
View Details

Accident 2012620214171

Slight
51.5131, -3.4970
2 vehicles 1 casualty
CITROEN C3 Car
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Accident 201201TX20017

Slight
51.4924, -0.4113
1 vehicle 1 casualty
HONDA CBF600N (4y)
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Accident 201201XH30018

Slight
51.4925, -0.4166
4 vehicles 2 casualties
Car Car Car VOLKSWAGEN PASSAT
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Accident 201243R067012

Slight
51.4932, -0.5203
2 vehicles 1 casualty
Car CITROEN XSARA
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Accident 201243R029012

Serious
51.4948, -0.4939
1 vehicle 1 casualty
VAUXHALL CORSA
View Details

Accident 2012620213552

Slight
51.5156, -3.3831
2 vehicles 2 casualties
FORD FOCUS FIAT PUNTO
View Details

Accident 2012620213987

Slight
51.5338, -3.5575
4 vehicles 3 casualties
Car VOLKSWAGEN GOLF (1y) Car Car
View Details

Accident 2012620213980

Slight
51.6746, -3.9768
1 vehicle 2 casualties
SEAT IBIZA (1y)
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Accident 201143R263121

Slight
51.4990, -0.7207
1 vehicle 1 casualty
VAUXHALL ASTRA
View Details

Accident 201154Z230511

Slight
51.5170, -2.2764
2 vehicles 2 casualties
VAUXHALL ASTRA FORD MONDEO
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Accident 2011521200416

Slight
51.4978, -2.3850
2 vehicles 1 casualty
FORD FIESTA (4y) DAF TRUCKS Model Missing
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Accident 201143W181121

Slight
51.4205, -1.0052
1 vehicle 1 casualty
NISSAN ALMERA
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Accident 201143R199121

Slight
51.4987, -0.7224
2 vehicles 2 casualties
Goods 7.5 tonnes mgw and over FORD KA
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Accident 201154B372411

Slight
51.5568, -1.9169
1 vehicle 1 casualty
NISSAN ALMERA
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Accident 201101XH30789

Slight
51.4950, -0.4446
2 vehicles 1 casualty
FORD FOCUS HONDA ACCORD
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Accident 2011521200919

Slight
51.5355, -2.5380
3 vehicles 3 casualties
MERCEDES E CLASS (3y) FIAT PUNTO VOLKSWAGEN POLO
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