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 200443P129064

Slight
51.4511, -1.4764
2 vehicles 2 casualties
SKODA FAVORIT SCANIA Model Missing (3y)
View Details

Accident 200454MA06204

Slight
51.5100, -2.2961
2 vehicles 1 casualty
SCANIA Model Missing (4y) IVECO Model Missing
View Details

Accident 200401TE00541

Slight
51.4957, -0.4626
4 vehicles 2 casualties
VOLKSWAGEN GOLF Vehicle FORD ESCORT BMW 3 SERIES
View Details

Accident 2004620111629

Slight
51.5337, -3.6010
2 vehicles 2 casualties
PEUGEOT 306 VAUXHALL ASTRA
View Details

Accident 200443P106064

Slight
51.4482, -1.4208
2 vehicles 1 casualty
HONDA ACCORD (4y) Goods 7.5 tonnes mgw and over
View Details

Accident 200454MB06104

Slight
51.5097, -2.1814
4 vehicles 3 casualties
ERF Model Missing (2y) IVECO-FORD Model Missing FORD TRANSIT (1y) Vehicle (3y)
View Details

Accident 200454MB06004

Slight
51.5098, -2.1877
1 vehicle 1 casualty
PEUGEOT 106
View Details

Accident 2004520072231

Slight
51.5021, -2.4634
4 vehicles 2 casualties
AUDI A6 FORD FIESTA Vehicle VOLKSWAGEN POLO (1y)
View Details

Accident 200454MA05904

Serious
51.5366, -1.9958
2 vehicles 1 casualty
Vehicle IVECO-FORD Model Missing
View Details

Accident 200443W126064

Slight
51.5046, -0.6234
4 vehicles 4 casualties
VOLVO 440 NISSAN SUNNY VOLKSWAGEN GOLF (3y) FIAT PUNTO
View Details

Accident 200454MB05804

Slight
51.5195, -1.6614
1 vehicle 1 casualty
FORD FIESTA
View Details

Accident 2004620110707

Slight
51.6020, -3.7964
2 vehicles 1 casualty
CITROEN SAXO PEUGEOT 206 (3y)
View Details

Accident 200454MB05704

Slight
51.5369, -1.9945
2 vehicles 1 casualty
HYUNDAI H100 FORD TRANSIT
View Details

Accident 200454MA05304

Slight
51.5258, -1.6987
3 vehicles 3 casualties
FORD FIESTA MERCEDES Model Missing (2y) Goods 7.5 tonnes mgw and over
View Details

Accident 200454MA05404

Serious
51.5146, -2.0807
3 vehicles 2 casualties
MAN Model Missing (1y) VAUXHALL CORSA Goods 7.5 tonnes mgw and over
View Details

Accident 2004620110905

Slight
51.6465, -3.8486
2 vehicles 1 casualty
Goods over 3.5t. and under 7.5t PEUGEOT 206
View Details

Accident 200454MB05104

Slight
51.5345, -1.7740
1 vehicle 1 casualty
BMW 3 SERIES (3y)
View Details

Accident 2004520068683

Slight
51.4980, -2.3918
1 vehicle 3 casualties
FORD FOCUS (3y)
View Details

Accident 200443W539054

Slight
51.4951, -0.7345
1 vehicle 1 casualty
Vehicle
View Details

Accident 200443P471054

Serious
51.4531, -1.3048
1 vehicle 1 casualty
PEUGEOT 206 (4y)
View Details