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 200743W229067

Slight
51.4561, -0.7992
1 vehicle 1 casualty
TOYOTA CARINA
View Details

Accident 200701XH63114

Slight
51.4959, -0.4554
4 vehicles 3 casualties
ROVER 400 SERIES PEUGEOT 206 ALFA ROMEO 156 IVECO-FORD Model Missing
View Details

Accident 2007610044907

Slight
51.6018, -2.9766
1 vehicle 1 casualty
VAUXHALL ASTRA (2y)
View Details

Accident 200743W315067

Slight
51.4116, -0.9658
2 vehicles 1 casualty
FORD FOCUS FIAT PUNTO
View Details

Accident 200754MA04207

Slight
51.4985, -1.5852
3 vehicles 1 casualty
MG MGF TOYOTA COROLLA PEUGEOT 307
View Details

Accident 200701XH63285

Slight
51.4937, -0.4293
3 vehicles 1 casualty
NISSAN X-TRAIL (4y) NISSAN ALMERA BMW 3 SERIES
View Details

Accident 200701XH64386

Slight
51.4942, -0.4778
2 vehicles 1 casualty
VOLKSWAGEN GOLF SUBARU IMPREZA
View Details

Accident 2007620168022

Slight
51.5424, -3.1343
6 vehicles 1 casualty
PEUGEOT 206 (3y) Car ROVER 25 HONDA CIVIC FORD MONDEO (4y) ROVER 400 SERIES
View Details

Accident 2007610045707

Slight
51.5808, -2.7845
3 vehicles 2 casualties
MAN Model Missing (1y) HONDA ACCORD ERF Model Missing (3y)
View Details

Accident 200701TX20352

Slight
51.4913, -0.3030
2 vehicles 1 casualty
FORD GALAXY (2y) PEUGEOT 306
View Details

Accident 200743W200067

Serious
51.4721, -1.5320
5 vehicles 2 casualties
FORD ESCORT VAUXHALL OMEGA MAN Model Missing (1y) MERCEDES Model Missing (3y) SCANIA Model Missing
View Details

Accident 2007620167860

Slight
51.5080, -3.3340
2 vehicles 1 casualty
VAUXHALL COMBO MITSUBISHI COLT (2y)
View Details

Accident 200743R185067

Slight
51.5034, -0.6181
4 vehicles 2 casualties
BENTLEY CONTINENTAL TOYOTA PREVIA RENAULT LAGUNA (2y) BMW 5 SERIES (1y)
View Details

Accident 2007620168921

Slight
51.6156, -3.8119
3 vehicles 1 casualty
VOLVO S40 VAUXHALL VIVARO RENAULT MEGANE
View Details

Accident 2007620168563

Slight
51.5111, -3.3590
2 vehicles 1 casualty
RENAULT CLIO SUZUKI GSF 600 (3y)
View Details

Accident 200701TX20320

Serious
51.4922, -0.2843
1 vehicle 1 casualty
Motorcycle over 500cc
View Details

Accident 2007610046907

Slight
51.5986, -3.0103
3 vehicles 1 casualty
NISSAN MICRA FORD ESCORT CITROEN XSARA
View Details

Accident 2007620167772

Slight
51.5169, -3.7049
1 vehicle 2 casualties
TOYOTA YARIS (1y)
View Details

Accident 200701TX20372

Slight
51.4918, -0.2909
2 vehicles 1 casualty
FORD ESCORT VOLKSWAGEN PASSAT
View Details

Accident 200754MA03907

Serious
51.5202, -1.6639
1 vehicle 1 casualty
MERCEDES SPRINTER (3y)
View Details