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 2019621900725

Slight
51.6757, -3.9565
2 vehicles 1 casualty
FORD FIESTA TOYOTA YARIS
View Details

Accident 2019545025219

Slight
51.5151, -2.1109
3 vehicles 1 casualty
Car MINI ONE FORD FIESTA
View Details

Accident 2019545011119

Serious
51.5255, -1.7073
1 vehicle 2 casualties
MINI CLUBMAN (1y)
View Details

Accident 2019521905800

Slight
51.5085, -2.5145
3 vehicles 1 casualty
TOYOTA AYGO FORD KUGA (4y) TOYOTA C-HR
View Details

Accident 2019010182971

Slight
51.4943, -0.4781
2 vehicles 3 casualties
AUDI A5 VAUXHALL VIVARO
View Details

Accident 2019621900723

Slight
51.5264, -3.2386
2 vehicles 1 casualty
DAF TRUCKS Model Missing (1y) VOLKSWAGEN TIGUAN (3y)
View Details

Accident 2019010182614

Serious
51.4958, -0.4642
3 vehicles 1 casualty
KAWASAKI ZX1000 (4y) VOLKSWAGEN CRAFTER FORD TRANSIT
View Details

Accident 2019430154524

Serious
51.4870, -0.7531
1 vehicle 1 casualty
Motorcycle over 125cc and up to 500cc
View Details

Accident 2019610020019

Slight
51.5881, -3.0327
2 vehicles 5 casualties
FORD C-MAX (1y) KIA PICANTO
View Details

Accident 2019521905763

Slight
51.5605, -2.5606
1 vehicle 1 casualty
TOYOTA YARIS
View Details

Accident 2019430145928

Slight
51.4247, -0.8815
5 vehicles 1 casualty
SCANIA Model Missing (3y) Taxi/Private hire car Taxi/Private hire car VAUXHALL ZAFIRA Car
View Details

Accident 2019610016919

Serious
51.6022, -3.0022
2 vehicles 1 casualty
CITROEN C3 (4y) PEUGEOT 108 (4y)
View Details

Accident 2019610040719

Slight
51.5955, -2.9483
4 vehicles 1 casualty
TOYOTA COROLLA SUBARU IMPREZA BMW 4 SERIES (2y) FORD FIESTA
View Details

Accident 2019621900647

Slight
51.5446, -3.7315
3 vehicles 1 casualty
HYUNDAI I10 Car MAN Model Missing (3y)
View Details

Accident 2019610032919

Slight
51.6038, -2.9933
2 vehicles 3 casualties
Car PEUGEOT PARTNER
View Details

Accident 2019621900634

Slight
51.6756, -3.9975
2 vehicles 1 casualty
VAUXHALL ASTRA MINI COOPER (1y)
View Details

Accident 2019010179292

Slight
51.4925, -0.4150
3 vehicles 1 casualty
FORD FOCUS VOLVO XC70 SEAT IBIZA (3y)
View Details

Accident 2019010179231

Slight
51.4918, -0.4089
1 vehicle 1 casualty
RENAULT CLIO
View Details

Accident 2019430134803

Serious
51.5195, -0.6547
4 vehicles 1 casualty
BMW F 800 Car Car Car
View Details

Accident 2019010179490

Slight
51.4925, -0.4118
4 vehicles 1 casualty
SKODA OCTAVIA MERCEDES C CLASS Taxi/Private hire car TOYOTA PRIUS
View Details