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 2018521900550

Slight
51.5018, -2.3538
3 vehicles 1 casualty
Car MITSUBISHI OUTLANDER (2y) Car
View Details

Accident 2018430243799

Slight
51.4933, -0.5245
3 vehicles 1 casualty
BMW 3 SERIES FORD TOURNEO VOLVO V40 (4y)
View Details

Accident 2018547248418

Slight
51.5281, -2.0300
4 vehicles 1 casualty
IVECO Model Missing AUDI A3 SKODA SUPERB FORD FIESTA (4y)
View Details

Accident 201863A071618

Slight
51.7063, -4.0526
1 vehicle 1 casualty
CITROEN BERLINGO
View Details

Accident 2018430233249

Slight
51.4507, -1.4026
4 vehicles 6 casualties
AUDI A3 BMW 2 SERIES (3y) FIAT 500 SEAT LEON
View Details

Accident 2018430257183

Slight
51.4457, -0.8226
4 vehicles 2 casualties
MERCEDES B CLASS (3y) LAND ROVER RANGE ROVER SPORT (2y) MERCEDES SPRINTER (1y) VAUXHALL INSIGNIA
View Details

Accident 2018430232145

Slight
51.4759, -1.5435
2 vehicles 1 casualty
BMW 3 SERIES BMW 3 SERIES
View Details

Accident 2018621800878

Fatal
51.5117, -3.4228
1 vehicle 1 casualty
VAUXHALL CORSA (3y)
View Details

Accident 2018521805310

Slight
51.4979, -2.4381
16 vehicles 1 casualty
Goods 7.5 tonnes mgw and over VOLKSWAGEN PASSAT VAUXHALL INSIGNIA (4y) AUDI A3 (3y) VOLKSWAGEN SHARAN RENAULT CLIO VAUXHALL INSIGNIA (1y) SEAT LEON VOLKSWAGEN GOLF Car FORD GALAXY HYUNDAI I30 Car FORD FOCUS AUDI A3 CHEVROLET ORLANDO
View Details

Accident 2018547050718

Slight
51.5113, -1.6224
3 vehicles 3 casualties
FIAT 500 NISSAN QASHQAI (1y) HYUNDAI SANTA FE (3y)
View Details

Accident 2018430231288

Serious
51.4635, -1.2553
2 vehicles 2 casualties
HONDA ACCORD LAND ROVER DISCOVERY
View Details

Accident 2018430246001

Slight
51.4932, -0.5216
3 vehicles 2 casualties
SCANIA Model Missing Vehicle (2y) VAUXHALL INSIGNIA
View Details

Accident 2018010123441

Slight
51.4958, -0.4580
2 vehicles 1 casualty
RENAULT Model Missing MERCEDES SPRINTER (4y)
View Details

Accident 2018546970818

Slight
51.5258, -1.7245
2 vehicles 1 casualty
SUZUKI SX4 KIA CARENS
View Details

Accident 2018430225754

Slight
51.4543, -1.0820
2 vehicles 1 casualty
Car JAGUAR XF SERIES
View Details

Accident 2018621800907

Serious
51.5618, -3.7406
1 vehicle 2 casualties
FORD FOCUS
View Details

Accident 2018621800906

Slight
51.5135, -3.4970
1 vehicle 1 casualty
VAUXHALL ASTRA
View Details

Accident 2018610037718

Slight
51.5958, -3.0189
2 vehicles 1 casualty
BMW 1 SERIES BMW 1 SERIES
View Details

Accident 2018521808143

Slight
51.5186, -2.5221
2 vehicles 2 casualties
MERCEDES Model Missing (1y) BMW 3 SERIES
View Details

Accident 2018010120230

Slight
51.4930, -0.3258
2 vehicles 1 casualty
RENAULT CAPTUR (2y) Vehicle (3y)
View Details