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 2003620077906

Slight
51.5182, -3.7112
1 vehicle 3 casualties
ROVER 400 SERIES (1y)
View Details

Accident 2003620077898

Slight
51.5158, -3.6925
2 vehicles 1 casualty
DAF TRUCKS FA 45 ROVER 25
View Details

Accident 2003610028803

Slight
51.6030, -2.9802
2 vehicles 1 casualty
DAF TRUCKS FT 95XF AUDI 100
View Details

Accident 200343W269023

Slight
51.4564, -1.3635
3 vehicles 2 casualties
MERCEDES Model Missing LAND ROVER DEFENDER MAZDA 323
View Details

Accident 200354MA00903

Slight
51.5144, -2.1027
1 vehicle 1 casualty
DAF TRUCKS FA 45
View Details

Accident 2003620078789

Slight
51.6764, -3.9901
4 vehicles 1 casualty
Vehicle PROTON PERSONA COMPACT (3y) PORSCHE 928 CITROEN ZX
View Details

Accident 200354MA01003

Slight
51.5021, -1.5894
1 vehicle 1 casualty
MITSUBISHI CARISMA
View Details

Accident 200343W205023

Slight
51.4335, -0.8511
1 vehicle 1 casualty
Vehicle (1y)
View Details

Accident 2003620077769

Slight
51.6763, -3.9966
1 vehicle 1 casualty
RENAULT MEGANE
View Details

Accident 200354MA00803

Fatal
51.5250, -2.0376
3 vehicles 7 casualties
VOLKSWAGEN Model Missing (3y) PEUGEOT 306 FORD FOCUS (1y)
View Details

Accident 2003610028103

Slight
51.5716, -3.0338
2 vehicles 1 casualty
AUDI A6 (1y) HONDA CIVIC (2y)
View Details

Accident 2003610028003

Slight
51.5714, -3.0338
2 vehicles 2 casualties
FORD KA (2y) VAUXHALL ASTRA
View Details

Accident 200343W248023

Slight
51.4527, -1.3083
3 vehicles 1 casualty
RENAULT ESPACE FORD MONDEO Vehicle
View Details

Accident 2003620077952

Slight
51.5334, -3.5729
2 vehicles 1 casualty
ALFA ROMEO 156 (2y) Vehicle
View Details

Accident 200301XH00117

Slight
51.4961, -0.4525
2 vehicles 3 casualties
Vehicle VOLVO Model Missing
View Details

Accident 2003610027903

Slight
51.5951, -3.0202
2 vehicles 2 casualties
VOLKSWAGEN GOLF (1y) RENAULT 25
View Details

Accident 200343W096023

Slight
51.4487, -1.0751
3 vehicles 1 casualty
Goods 7.5 tonnes mgw and over VAUXHALL VECTRA (4y) FORD FIESTA
View Details

Accident 2003610027403

Slight
51.5807, -2.7849
2 vehicles 1 casualty
FORD TRANSIT BMW 3 SERIES
View Details

Accident 2003620079453

Slight
51.5334, -3.5729
2 vehicles 3 casualties
FORD ESCORT FORD ESCORT (2y)
View Details

Accident 2003620077354

Slight
51.5270, -3.2417
2 vehicles 3 casualties
CITROEN AX BMW 5 SERIES (3y)
View Details