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 200443W234024

Slight
51.4115, -0.9663
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over VOLKSWAGEN POLO
View Details

Accident 200454MB01604

Serious
51.5133, -1.6308
4 vehicles 4 casualties
Bus or coach (17 or more pass seats) Bus or coach (17 or more pass seats) Bus or coach (17 or more pass seats) Vehicle
View Details

Accident 200401TX00091

Slight
51.4829, -0.4528
2 vehicles 1 casualty
VAUXHALL ASTRA (2y) VAUXHALL ASTRA
View Details

Accident 200454MA01504

Slight
51.5410, -1.9815
2 vehicles 3 casualties
VOLKSWAGEN GOLF (1y) TOYOTA CARINA
View Details

Accident 2004620103127

Slight
51.5408, -3.1270
2 vehicles 1 casualty
Vehicle FORD FIESTA (2y)
View Details

Accident 200401TE00124

Slight
51.4903, -0.4009
1 vehicle 1 casualty
Vehicle
View Details

Accident 200443P189024

Slight
51.4596, -1.1349
3 vehicles 1 casualty
CITROEN ZX AUDI A4 (1y) VAUXHALL OMEGA (1y)
View Details

Accident 200443W220024

Slight
51.5049, -0.6246
5 vehicles 2 casualties
Vehicle NISSAN SUNNY Vehicle NISSAN PRIMERA Vehicle
View Details

Accident 2004620103045

Slight
51.5614, -3.7392
2 vehicles 1 casualty
Vehicle Vehicle
View Details

Accident 2004610008204

Slight
51.5502, -3.0792
2 vehicles 1 casualty
VAUXHALL COMBO PEUGEOT 307 (2y)
View Details

Accident 200443W130024

Slight
51.4566, -1.0883
1 vehicle 2 casualties
FORD KA (1y)
View Details

Accident 2004520020524

Serious
51.4987, -2.3747
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over FORD FIESTA
View Details

Accident 2004610028804

Slight
51.5807, -2.7849
1 vehicle 1 casualty
Vehicle
View Details

Accident 2004620107056

Slight
51.5406, -3.1289
2 vehicles 1 casualty
FORD ESCORT VAUXHALL ASTRA
View Details

Accident 200401TE00114

Slight
51.4914, -0.2981
2 vehicles 1 casualty
VOLKSWAGEN GOLF HONDA CBR1000F
View Details

Accident 200443P204024

Slight
51.4382, -1.0651
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over Goods 7.5 tonnes mgw and over
View Details

Accident 2004620102807

Slight
51.6439, -4.0856
2 vehicles 2 casualties
Vehicle VOLVO V70 (3y)
View Details

Accident 2004620102790

Slight
51.5164, -3.6868
2 vehicles 1 casualty
VAUXHALL ASTRA (3y) RENAULT 19
View Details

Accident 200454MA01404

Slight
51.5225, -2.0442
2 vehicles 2 casualties
RENAULT MEGANE (2y) FORD MONDEO (4y)
View Details

Accident 200401TE00115

Slight
51.4912, -0.4050
2 vehicles 1 casualty
NISSAN SUNNY TOYOTA CARINA
View Details