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 2007620165692

Slight
51.6197, -3.8167
2 vehicles 1 casualty
LDV 400 SERIES (2y) CITROEN XSARA (3y)
View Details

Accident 200743R116047

Slight
51.5034, -0.6196
1 vehicle 1 casualty
HONDA CBR1000RR (1y)
View Details

Accident 200743R248047

Serious
51.4979, -0.5879
1 vehicle 2 casualties
VOLKSWAGEN POLO (2y)
View Details

Accident 2007620165878

Slight
51.5225, -3.2682
2 vehicles 2 casualties
TOYOTA COROLLA AUDI A3
View Details

Accident 200743R066047

Slight
51.5037, -0.6197
3 vehicles 3 casualties
BMW 5 SERIES (2y) PEUGEOT 106 VAUXHALL ASTRA
View Details

Accident 2007620165691

Slight
51.6769, -3.9985
2 vehicles 2 casualties
Car AUDI CABRIOLET
View Details

Accident 200754MA02007

Slight
51.5347, -2.0053
1 vehicle 1 casualty
FORD FIESTA
View Details

Accident 200754MB02307

Slight
51.5401, -1.8112
2 vehicles 2 casualties
ROVER 400 SERIES Car
View Details

Accident 200701TE00078

Serious
51.4945, -0.4870
2 vehicles 1 casualty
HONDA CIVIC VOLKSWAGEN SHARAN
View Details

Accident 2007620165862

Slight
51.5247, -3.2598
1 vehicle 1 casualty
FORD ESCORT
View Details

Accident 200743R031047

Slight
51.4999, -0.5908
2 vehicles 2 casualties
FORD KA Car
View Details

Accident 2007529005240

Serious
51.4978, -2.4062
3 vehicles 1 casualty
Car Car Van / Goods 3.5 tonnes mgw or under
View Details

Accident 2007620165688

Fatal
51.5302, -3.2327
2 vehicles 6 casualties
RENAULT MEGANE NISSAN MICRA (4y)
View Details

Accident 2007610023307

Slight
51.6011, -2.9741
2 vehicles 2 casualties
HONDA ACCORD (1y) VAUXHALL ASTRA
View Details

Accident 200743R041047

Slight
51.4885, -0.5769
2 vehicles 1 casualty
NISSAN MICRA AUDI A3 (2y)
View Details

Accident 2007620165839

Slight
51.5079, -3.3050
2 vehicles 1 casualty
FORD FIESTA Car
View Details

Accident 2007620165827

Slight
51.5258, -3.2503
5 vehicles 2 casualties
DAEWOO NUBIRA CITROEN C5 (4y) BMW 3 SERIES CITROEN BERLINGO BMW 3 SERIES
View Details

Accident 200701TX20175

Slight
51.4915, -0.4050
2 vehicles 1 casualty
Motorcycle over 500cc CITROEN BERLINGO
View Details

Accident 200743R026047

Slight
51.5023, -0.6127
3 vehicles 1 casualty
NISSAN BLUEBIRD MITSUBISHI COLT (1y) MITSUBISHI SHOGUN
View Details

Accident 200743R056047

Slight
51.5008, -0.5931
2 vehicles 2 casualties
VAUXHALL ASTRA MERCEDES ML CLASS
View Details