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 200043W173080

Slight
51.4594, -0.7910
1 vehicle 1 casualty
FORD FIESTA
View Details

Accident 200001TX00845

Slight
51.4913, -0.3631
1 vehicle 1 casualty
VOLKSWAGEN POLO
View Details

Accident 200043N149080

Slight
51.5100, -0.6574
1 vehicle 1 casualty
KAWASAKI ZX1000
View Details

Accident 200001TX00850

Slight
51.4956, -0.4557
4 vehicles 4 casualties
VAUXHALL ASTRA Vehicle ROVER 400 SERIES (2y) SEAT INCA (2y)
View Details

Accident 200043W095080

Slight
51.4231, -1.0306
2 vehicles 2 casualties
Vehicle VOLKSWAGEN POLO
View Details

Accident 200001TX00843

Slight
51.4879, -0.3914
2 vehicles 1 casualty
FORD FIESTA FORD MONDEO
View Details

Accident 200043W131080

Serious
51.4903, -0.5485
3 vehicles 2 casualties
TOYOTA Model Missing Vehicle Vehicle
View Details

Accident 2000620020205

Slight
51.5228, -3.2684
2 vehicles 3 casualties
Goods 7.5 tonnes mgw and over VOLKSWAGEN POLO (4y)
View Details

Accident 200043W163080

Slight
51.4801, -1.5527
1 vehicle 1 casualty
VOLKSWAGEN GOLF (1y)
View Details

Accident 2000620020126

Fatal
51.5156, -3.4730
1 vehicle 3 casualties
MERCEDES 200
View Details

Accident 200043W099080

Slight
51.5024, -0.6131
2 vehicles 1 casualty
FORD TRANSIT (2y) PEUGEOT 406 (4y)
View Details

Accident 200054MA08500

Serious
51.5591, -1.9089
2 vehicles 3 casualties
VAUXHALL ASTRA (1y) FIAT CINQUECENTO (4y)
View Details

Accident 200054MA08300

Slight
51.5301, -1.7549
2 vehicles 4 casualties
PEUGEOT 306 CITROEN ZX
View Details

Accident 200054CD45400

Slight
51.5143, -2.1207
2 vehicles 1 casualty
Vehicle AUDI A4 (4y)
View Details

Accident 2000620019465

Slight
51.5479, -3.0960
2 vehicles 1 casualty
FORD ORION VAUXHALL VECTRA (3y)
View Details

Accident 2000620019317

Slight
51.6619, -3.8781
2 vehicles 1 casualty
FORD ESCORT (1y) CITROEN BX
View Details

Accident 2000620019312

Serious
51.6773, -3.9987
1 vehicle 1 casualty
YAMAHA Model Missing
View Details

Accident 2000620019282

Slight
51.4653, -3.2668
2 vehicles 1 casualty
VAUXHALL ASTRA SCANIA Model Missing
View Details

Accident 200001TX00815

Slight
51.4952, -0.4525
4 vehicles 4 casualties
NISSAN ALMERA (2y) BMW 3 SERIES FORD MONDEO FORD FOCUS
View Details

Accident 200054MA08400

Slight
51.4966, -1.5837
2 vehicles 1 casualty
PEUGEOT 406 (3y) AUSTIN MINI
View Details