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.

Is the M4 closed right now? See today's accidents, overnight closures and roadworks.

Live M4 closures today
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

Browse all regions

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

Browse all towns
Browse All Roads Search All Accidents

Accidents on the M4

Fatal
Serious
Slight
Click markers for details

Move Insights

Thinking of moving to this area?

Check flood risk, planning history, EPC ratings and more with a Move Insights property report.

Flood risk assessment
Planning history
EPC ratings & more
Get a property report

Recent Accidents

Showing 20 of 29,200 accidents

Accident 2006620156439

Fatal
51.5067, -3.3106
1 vehicle 2 casualties
PEUGEOT 206 (2y)
View Details

Accident 200601TX20566

Slight
51.4894, -0.3728
3 vehicles 3 casualties
Car Car JEEP CHEROKEE (3y)
View Details

Accident 2006620157514

Slight
51.5154, -3.4024
2 vehicles 1 casualty
RENAULT KANGOO MERCEDES C CLASS (1y)
View Details

Accident 200643W074096

Slight
51.4382, -1.0654
2 vehicles 1 casualty
VAUXHALL ASTRA VAUXHALL ASTRA (1y)
View Details

Accident 2006610064806

Serious
51.5963, -2.9463
1 vehicle 2 casualties
RENAULT 19
View Details

Accident 200643R079096

Serious
51.5022, -0.6014
1 vehicle 1 casualty
SUZUKI GSF 650
View Details

Accident 200643W092096

Slight
51.4372, -0.8398
1 vehicle 1 casualty
Car
View Details

Accident 2006610105306

Slight
51.6018, -2.9292
2 vehicles 1 casualty
SCANIA Model Missing TOYOTA CELICA
View Details

Accident 200643W072096

Slight
51.4244, -0.8734
1 vehicle 1 casualty
VAUXHALL CORSA (2y)
View Details

Accident 200643W070096

Slight
51.4126, -0.9734
2 vehicles 2 casualties
Car Car
View Details

Accident 200643R128096

Slight
51.5019, -0.6045
1 vehicle 1 casualty
Car
View Details

Accident 200601XH30524

Slight
51.4949, -0.4472
2 vehicles 2 casualties
Goods 7.5 tonnes mgw and over VOLKSWAGEN SHARAN
View Details

Accident 200654MB07606

Slight
51.5060, -1.5980
2 vehicles 1 casualty
PEUGEOT 206 ROVER 400 SERIES
View Details

Accident 200601XH30549

Serious
51.4948, -0.4750
1 vehicle 2 casualties
CITROEN BERLINGO (1y)
View Details

Accident 2006620158212

Slight
51.5164, -3.6940
2 vehicles 3 casualties
FORD FOCUS ROVER 400 SERIES
View Details

Accident 200643R037096

Slight
51.5022, -0.6014
2 vehicles 1 casualty
VAUXHALL ASTRA (1y) Car
View Details

Accident 200654MA07206

Slight
51.5060, -1.5987
2 vehicles 1 casualty
Car HONDA ACCORD
View Details

Accident 200643R073096

Slight
51.4892, -0.5523
2 vehicles 1 casualty
FORD FIESTA BMW 1 SERIES (2y)
View Details

Accident 200654MA07106

Serious
51.5267, -1.7259
1 vehicle 3 casualties
Car
View Details

Accident 2006520105830

Slight
51.5145, -2.5192
2 vehicles 1 casualty
CITROEN C3 (4y) RENAULT MEGANE (4y)
View Details