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 2018430056243

Slight
51.5024, -0.6170
2 vehicles 1 casualty
VAUXHALL ADAM (4y) RENAULT CLIO
View Details

Accident 2018621800161

Slight
51.6744, -3.9736
2 vehicles 1 casualty
RENAULT SCENIC BMW 1 SERIES
View Details

Accident 2018541403018

Slight
51.5144, -2.1205
2 vehicles 1 casualty
VAUXHALL CORSA MERCEDES CLK CLASS
View Details

Accident 2018010089462

Slight
51.4929, -0.4168
2 vehicles 2 casualties
VOLKSWAGEN POLO BMW 1 SERIES
View Details

Accident 2018521801836

Slight
51.5281, -2.5300
2 vehicles 1 casualty
FORD FIESTA Car
View Details

Accident 2018621800169

Slight
51.6766, -3.9970
1 vehicle 1 casualty
MAZDA 2
View Details

Accident 2018621800165

Serious
51.5615, -3.7393
2 vehicles 1 casualty
NISSAN NOTE (3y) MAN Model Missing (4y)
View Details

Accident 2018621800167

Slight
51.5108, -3.4262
2 vehicles 1 casualty
BMW 3 SERIES (3y) VOLKSWAGEN PASSAT
View Details

Accident 2018621800176

Slight
51.6756, -3.9562
3 vehicles 1 casualty
LAND ROVER RANGE ROVER EVOQUE DACIA LOGAN (3y) TOYOTA HILUX
View Details

Accident 2018621800273

Slight
51.6796, -3.9218
4 vehicles 2 casualties
CITROEN C3 (3y) TOYOTA RAV4 (2y) VOLVO XC60 (4y) KIA SPORTAGE (2y)
View Details

Accident 2018541191418

Serious
51.5102, -2.1625
3 vehicles 1 casualty
FORD MONDEO Goods 7.5 tonnes mgw and over CITROEN BERLINGO (3y)
View Details

Accident 2018621800141

Slight
51.6793, -3.9196
4 vehicles 3 casualties
MINI COOPER PEUGEOT 407 AUDI TTS (2y) FORD FIESTA (2y)
View Details

Accident 2018430037071

Slight
51.4894, -0.7470
1 vehicle 1 casualty
Motorcycle over 500cc
View Details

Accident 2018430040738

Fatal
51.4936, -0.5103
2 vehicles 4 casualties
KIA RIO CITROEN C4
View Details

Accident 2018430039663

Slight
51.5025, -0.6160
3 vehicles 1 casualty
Car Bus or coach (17 or more pass seats) VOLKSWAGEN PASSAT
View Details

Accident 2018430033221

Slight
51.4989, -0.7243
3 vehicles 2 casualties
RENAULT KANGOO MINI ONE Car
View Details

Accident 201863A010818

Slight
51.7294, -4.0687
3 vehicles 1 casualty
Car AUDI A4 VAUXHALL ZAFIRA
View Details

Accident 2018521801386

Slight
51.5052, -2.4973
3 vehicles 2 casualties
SKODA YETI (2y) VAUXHALL ADAM BMW 3 SERIES (1y)
View Details

Accident 2018521801978

Slight
51.5016, -2.3404
3 vehicles 2 casualties
FORD FIESTA SEAT IBIZA NISSAN QASHQAI
View Details

Accident 2018521801529

Slight
51.5327, -2.5345
4 vehicles 1 casualty
FORD FOCUS (4y) FORD S-MAX BMW 3 SERIES (2y) FORD FUSION
View Details