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 200243W613122

Slight
51.4530, -1.0800
1 vehicle 1 casualty
AUDI 80
View Details

Accident 200201TX01275

Slight
51.4947, -0.4537
2 vehicles 1 casualty
FIAT PUNTO (1y) Vehicle
View Details

Accident 200201TX01248

Slight
51.4958, -0.4557
3 vehicles 3 casualties
PEUGEOT 306 PEUGEOT 306 NISSAN MICRA
View Details

Accident 2002620075499

Slight
51.6791, -3.9953
2 vehicles 1 casualty
MG MGF VOLKSWAGEN PASSAT
View Details

Accident 2002620075474

Slight
51.5138, -3.4856
6 vehicles 10 casualties
ROVER METRO VAUXHALL CARLTON (2y) MERCEDES Model Missing VAUXHALL SENATOR MITSUBISHI SHOGUN CITROEN ZX (3y)
View Details

Accident 2002610152802

Slight
51.5781, -3.0328
1 vehicle 1 casualty
VAUXHALL CAVALIER
View Details

Accident 200243W482122

Serious
51.4534, -1.3046
2 vehicles 4 casualties
VOLKSWAGEN GOLF (3y) VOLKSWAGEN TRANSPORTER
View Details

Accident 2002620075737

Slight
51.6771, -3.9960
2 vehicles 1 casualty
HONDA CIVIC (2y) MAN Model Missing
View Details

Accident 200201TX01277

Slight
51.4950, -0.4477
3 vehicles 1 casualty
YAMAHA Model Missing MERCEDES C CLASS RENAULT LAGUNA
View Details

Accident 2002620074373

Slight
51.5421, -3.1293
2 vehicles 1 casualty
ROVER MINI (1y) FORD FOCUS (3y)
View Details

Accident 200254MA12302

Slight
51.5043, -1.5937
11 vehicles 2 casualties
FORD TRANSIT HONDA CRV Vehicle LEXUS IS200 (1y) LAND ROVER RANGE ROVER (2y) FORD ESCORT JAGUAR XJ SERIES FORD TRANSIT HONDA JAZZ (1y) BMW 3 SERIES FORD MONDEO
View Details

Accident 200254MA12602

Slight
51.4960, -1.5834
1 vehicle 1 casualty
FORD ESCORT
View Details

Accident 200254MA12502

Slight
51.4962, -1.5835
1 vehicle 1 casualty
VAUXHALL CARLTON
View Details

Accident 2002610151802

Slight
51.5807, -2.7854
2 vehicles 2 casualties
FORD ESCORT HYUNDAI SANTA FE (3y)
View Details

Accident 200243W474122

Serious
51.4514, -1.4779
1 vehicle 2 casualties
Vehicle
View Details

Accident 200254MB12402

Slight
51.5396, -1.7922
2 vehicles 2 casualties
Goods 7.5 tonnes mgw and over FORD SIERRA
View Details

Accident 200243W733122

Slight
51.4509, -0.8094
1 vehicle 1 casualty
FIAT PUNTO
View Details

Accident 2002610151702

Slight
51.5953, -2.9508
3 vehicles 2 casualties
RENAULT TRAFIC (1y) FORD MONDEO VOLKSWAGEN TRANSPORTER
View Details

Accident 200201ID00101

Slight
51.4820, -0.4527
2 vehicles 1 casualty
FORD PUMA (2y) LONDON TAXIS INT. TX1 (4y)
View Details

Accident 200243N312122

Slight
51.5115, -0.6543
2 vehicles 1 casualty
Vehicle Vehicle
View Details