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 199901TX00806

Slight
51.4915, -0.4074
5 vehicles 5 casualties
LONDON TAXIS INT. TX1 VOLKSWAGEN GOLF MERCEDES 190 FORD FIESTA PEUGEOT 206
View Details

Accident 199962F031699

Slight
51.5171, -3.7028
1 vehicle 4 casualties
ROVER METRO
View Details

Accident 199943R142089

Slight
51.4244, -0.8816
9 vehicles 2 casualties
FORD FIESTA FORD MONDEO PEUGEOT 505 MG MGF (2y) VAUXHALL ASTRA (3y) VAUXHALL VECTRA (3y) ROVER MINI NISSAN ALMERA (1y) LEYLAND DAF FT 85 (4y)
View Details

Accident 199943R141089

Slight
51.4174, -0.9874
8 vehicles 2 casualties
NISSAN MAXIMA (4y) FORD MONDEO (1y) FORD MONDEO FORD FIESTA TOYOTA CAMRY FORD TRANSIT (2y) FORD MONDEO FORD COUGAR
View Details

Accident 199943R166089

Slight
51.4194, -0.9972
2 vehicles 1 casualty
FORD MONDEO (2y) FIAT PUNTO (2y)
View Details

Accident 199901TX00808

Slight
51.4931, -0.4227
2 vehicles 1 casualty
VAUXHALL OMEGA (1y) FORD FIESTA
View Details

Accident 199962G026999

Slight
51.6393, -3.8425
1 vehicle 1 casualty
Vehicle
View Details

Accident 199901TX00837

Slight
51.4958, -0.4587
3 vehicles 1 casualty
VAUXHALL ASTRA FORD ESCORT (3y) PEUGEOT 405 (4y)
View Details

Accident 199901TX00803

Slight
51.4924, -0.3604
3 vehicles 2 casualties
Vehicle FORD FIESTA (1y) FORD ESCORT (4y)
View Details

Accident 1999520099287

Slight
51.4978, -2.4270
3 vehicles 1 casualty
Vehicle FORD FIESTA (4y) PEUGEOT 405
View Details

Accident 199901TX00797

Fatal
51.4950, -0.4481
2 vehicles 3 casualties
ROVER 400 SERIES Vehicle
View Details

Accident 199943R152089

Slight
51.4229, -1.0307
1 vehicle 1 casualty
SUZUKI SJ
View Details

Accident 199901TX00799

Slight
51.4934, -0.4273
2 vehicles 1 casualty
MITSUBISHI COLT MERCEDES Model Missing
View Details

Accident 1999610106899

Slight
51.6014, -3.0055
2 vehicles 2 casualties
FORD FIESTA CITROEN ZX
View Details

Accident 199943R159089

Slight
51.4245, -0.8844
2 vehicles 2 casualties
FORD MONDEO SAAB 900 (2y)
View Details

Accident 1999610103599

Fatal
51.6021, -2.9089
1 vehicle 1 casualty
PEUGEOT BOXER (1y)
View Details

Accident 199954MB07199

Slight
51.5099, -2.1665
2 vehicles 1 casualty
NISSAN MICRA FORD ESCORT (1y)
View Details

Accident 199954MA07099

Slight
51.5563, -1.8886
4 vehicles 1 casualty
SEAT CORDOBA (1y) PEUGEOT 309 VAUXHALL ASTRA (1y) RENAULT ESPACE (1y)
View Details

Accident 199943R156089

Slight
51.4393, -1.0662
3 vehicles 1 casualty
IVECO-FORD Model Missing FORD FIESTA MERCEDES CLK CLASS
View Details

Accident 199943R145089

Slight
51.4128, -0.9560
1 vehicle 1 casualty
VAUXHALL ASTRA
View Details