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 199354MB00303

Slight
2 vehicles 1 casualty
Vehicle AUDI COUPE
View Details

Accident 199301TC00334

Slight
2 vehicles 1 casualty
HONDA ACCORD (3y) FORD ESCORT
View Details

Accident 1993610044293

Slight
1 vehicle 2 casualties
HONDA Model Missing
View Details

Accident 199343U072063

Slight
1 vehicle 1 casualty
PEUGEOT 205 (3y)
View Details

Accident 199362M017493

Fatal
2 vehicles 3 casualties
FORD CORTINA Vehicle
View Details

Accident 199301TC00330

Slight
2 vehicles 3 casualties
FORD ESCORT (2y) AUSTIN TAXI
View Details

Accident 199362B013693

Slight
2 vehicles 1 casualty
SUZUKI VITARA LADA RIVA
View Details

Accident 19935293F2159

Slight
2 vehicles 2 casualties
FORD MONDEO SCANIA Model Missing
View Details

Accident 19935293E2163

Slight
1 vehicle 1 casualty
FORD Model Missing
View Details

Accident 1993610040593

Slight
2 vehicles 1 casualty
RENAULT 5 (4y) FORD ESCORT (3y)
View Details

Accident 199343U070063

Slight
2 vehicles 1 casualty
VOLKSWAGEN GOLF (4y) LEYLAND DAF FA 60
View Details

Accident 199343U062063

Slight
2 vehicles 2 casualties
VOLVO 480 (1y) Vehicle
View Details

Accident 1993610040293

Slight
1 vehicle 1 casualty
FORD ESCORT
View Details

Accident 199343R076063

Slight
3 vehicles 1 casualty
Bus or coach (17 or more pass seats) OPEL ASCONA VAUXHALL CAVALIER
View Details

Accident 199343R094063

Slight
1 vehicle 2 casualties
FORD CORTINA
View Details

Accident 199301TC00325

Slight
2 vehicles 1 casualty
PEUGEOT 405 (1y) SEAT TERRA (3y)
View Details

Accident 1993610040093

Slight
3 vehicles 1 casualty
MITSUBISHI LANCER (2y) FORD SIERRA (4y) VOLVO 460
View Details

Accident 19935293E2150

Slight
2 vehicles 1 casualty
NISSAN SUNNY Vehicle
View Details

Accident 199301ID00065

Slight
1 vehicle 1 casualty
Van / Goods 3.5 tonnes mgw or under
View Details

Accident 1993610041293

Slight
2 vehicles 2 casualties
ROVER MONTEGO (3y) SCANIA Model Missing
View Details