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 2000620026514

Slight
51.5067, -3.3239
4 vehicles 1 casualty
Vehicle FORD TRANSIT (2y) FORD TRANSIT (3y) VOLKSWAGEN BORA
View Details

Accident 2000620025275

Slight
4 vehicles 1 casualty
Vehicle FORD TRANSIT (2y) FORD TRANSIT (3y) VOLKSWAGEN BORA
View Details

Accident 200043W171110

Slight
51.4503, -0.8104
3 vehicles 5 casualties
FORD MONDEO HONDA ACCORD FORD FIESTA
View Details

Accident 200043W172110

Slight
51.4252, -0.8661
2 vehicles 2 casualties
VAUXHALL CAVALIER Vehicle
View Details

Accident 200001TX01213

Slight
51.4947, -0.4537
2 vehicles 1 casualty
Vehicle PEUGEOT 406 (4y)
View Details

Accident 2000620025490

Slight
51.6764, -3.9944
3 vehicles 1 casualty
IVECO-FORD Model Missing MERCEDES SPRINTER ERF Model Missing
View Details

Accident 200054MA12100

Slight
51.5446, -1.9724
2 vehicles 2 casualties
JAGUAR SOVEREIGN CITROEN BX
View Details

Accident 2000520139483

Slight
51.5477, -2.5500
2 vehicles 2 casualties
PORSCHE BOXSTER FORD FIESTA (1y)
View Details

Accident 200043W093110

Slight
51.4146, -0.9799
3 vehicles 3 casualties
FORD KA (2y) PEUGEOT 306 (2y) FORD FIESTA
View Details

Accident 2000620024737

Slight
51.6481, -3.8499
2 vehicles 1 casualty
VAUXHALL VECTRA (3y) FORD FIESTA
View Details

Accident 2000520137952

Slight
51.5053, -2.4769
2 vehicles 1 casualty
ROVER 200 SERIES CITROEN XM
View Details

Accident 2000610159300

Slight
51.5947, -3.0215
3 vehicles 1 casualty
RENAULT MEGANE (2y) Vehicle CITROEN XSARA
View Details

Accident 2000610147300

Slight
51.5979, -2.9417
3 vehicles 1 casualty
FORD FIESTA (4y) FORD ESCORT FORD ESCORT
View Details

Accident 200054MB12300

Slight
51.5078, -1.6076
2 vehicles 1 casualty
BMW 5 SERIES (1y) LAND ROVER RANGE ROVER (3y)
View Details

Accident 200054MB12200

Slight
51.5077, -1.6075
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over ROVER 45
View Details

Accident 200043W107110

Serious
51.4999, -0.7019
2 vehicles 1 casualty
ERF Model Missing Goods 7.5 tonnes mgw and over
View Details

Accident 2000520139912

Slight
51.5132, -2.5176
2 vehicles 1 casualty
PEUGEOT 205 Goods 7.5 tonnes mgw and over
View Details

Accident 200043W072110

Slight
51.4508, -0.8091
2 vehicles 1 casualty
FORD ESCORT YAMAHA Model Missing (1y)
View Details

Accident 2000620024448

Slight
51.5414, -3.1204
2 vehicles 1 casualty
Vehicle ROVER 200 SERIES (2y)
View Details

Accident 200001XH01075

Slight
51.4820, -0.4526
2 vehicles 1 casualty
FORD ESCORT FORD MONDEO
View Details