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 200254MB02802

Slight
51.5179, -2.2551
3 vehicles 1 casualty
FORD MONDEO MAZDA 626 NISSAN BLUEBIRD (1y)
View Details

Accident 200201TX00274

Slight
51.4937, -0.4324
2 vehicles 3 casualties
VOLKSWAGEN GOLF RENAULT MEGANE (3y)
View Details

Accident 200243W551032

Slight
51.4687, -1.5171
1 vehicle 3 casualties
MITSUBISHI GALANT
View Details

Accident 200243W371032

Fatal
51.4865, -0.5630
2 vehicles 1 casualty
JAGUAR XJ SERIES JAGUAR XJ SERIES
View Details

Accident 2002610026902

Slight
51.5970, -2.9442
4 vehicles 3 casualties
VAUXHALL NOVA (3y) VAUXHALL VECTRA BMW 3 SERIES Vehicle
View Details

Accident 200243W469032

Slight
51.4628, -1.2267
2 vehicles 1 casualty
PEUGEOT 106 (2y) SKODA OCTAVIA
View Details

Accident 200201TX00272

Serious
51.4838, -0.4528
2 vehicles 1 casualty
HONDA CRV (2y) SCANIA Model Missing
View Details

Accident 200243W480032

Slight
51.4717, -0.7703
2 vehicles 1 casualty
FORD TRANSIT (2y) RENAULT CLIO
View Details

Accident 200243W490032

Slight
51.4601, -1.1648
1 vehicle 1 casualty
VOLVO Model Missing
View Details

Accident 200243W641032

Slight
51.4934, -0.7375
5 vehicles 2 casualties
HYUNDAI X2 (1y) ERF Model Missing FORD ESCORT Vehicle FORD GRANADA (2y)
View Details

Accident 200243W476032

Slight
51.4956, -0.7332
1 vehicle 1 casualty
JAGUAR XK SERIES (1y)
View Details

Accident 2002620055981

Slight
51.5083, -3.3472
5 vehicles 1 casualty
VAUXHALL ASTRA TOYOTA AVENSIS (1y) RENAULT MEGANE PEUGEOT 106 PEUGEOT 806
View Details

Accident 2002520039811

Slight
51.5046, -2.5038
1 vehicle 2 casualties
PEUGEOT 306
View Details

Accident 200254MA02702

Slight
51.5504, -1.8661
2 vehicles 1 casualty
Vehicle VOLKSWAGEN GOLF (2y)
View Details

Accident 2002620055738

Slight
51.5337, -3.5814
2 vehicles 2 casualties
NISSAN SUNNY FORD TRANSIT
View Details

Accident 200243W413032

Serious
51.4931, -0.5203
2 vehicles 1 casualty
MERCEDES 200 LEYLAND DAF FT 85 (2y)
View Details

Accident 200201ID00019

Slight
51.4820, -0.4526
2 vehicles 2 casualties
VAUXHALL ASTRA (4y) IVECO-FORD Model Missing
View Details

Accident 2002620056084

Serious
51.5413, -3.1182
2 vehicles 2 casualties
AUSTIN MINI (4y) SCANIA Model Missing
View Details

Accident 2002620055884

Slight
51.5270, -3.2417
2 vehicles 1 casualty
HONDA ACCORD VAUXHALL CAVALIER
View Details

Accident 2002620059234

Slight
51.7039, -4.0309
2 vehicles 1 casualty
PEUGEOT 205 VAUXHALL NOVA
View Details