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 199343U035013

Slight
1 vehicle 1 casualty
VOLVO Model Missing
View Details

Accident 199301TC00033

Slight
2 vehicles 1 casualty
ROVER METRO (2y) Vehicle
View Details

Accident 199354MA00033

Serious
2 vehicles 3 casualties
FORD SIERRA (4y) Vehicle
View Details

Accident 199362G000693

Slight
1 vehicle 1 casualty
PEUGEOT 205
View Details

Accident 199363A500593

Slight
2 vehicles 2 casualties
ROVER 400 SERIES (2y) Vehicle
View Details

Accident 199301TC00024

Slight
3 vehicles 1 casualty
FORD ESCORT VOLKSWAGEN GOLF FORD ORION
View Details

Accident 199301TC00027

Slight
2 vehicles 1 casualty
AUSTIN MAESTRO FORD FIESTA (2y)
View Details

Accident 199301TC00025

Slight
1 vehicle 1 casualty
RENAULT 11
View Details

Accident 199301TC00023

Slight
2 vehicles 2 casualties
PEUGEOT 205 (2y) BMW 5 SERIES
View Details

Accident 199343U019013

Slight
2 vehicles 1 casualty
FORD TRANSIT Vehicle
View Details

Accident 199361A005930

Slight
1 vehicle 1 casualty
FORD ESCORT (3y)
View Details

Accident 199343R029013

Slight
2 vehicles 1 casualty
PEUGEOT 405 (1y) Vehicle
View Details

Accident 199343U020013

Slight
2 vehicles 1 casualty
Vehicle RENAULT Model Missing
View Details

Accident 199301TC00022

Slight
2 vehicles 1 casualty
HONDA ACCORD (4y) CITROEN BX
View Details

Accident 199301TC00020

Slight
2 vehicles 1 casualty
Vehicle Vehicle
View Details

Accident 199301TC00021

Serious
3 vehicles 2 casualties
MERCEDES 190 Vehicle FORD SIERRA
View Details

Accident 199343R018013

Slight
4 vehicles 1 casualty
ROVER 200 SERIES (2y) MAZDA 626 (3y) VAUXHALL ASTRA VOLKSWAGEN GOLF
View Details

Accident 199301TC00015

Slight
3 vehicles 4 casualties
FORD GRANADA (3y) FORD FIESTA FORD FIESTA (1y)
View Details

Accident 199301XH00047

Slight
2 vehicles 1 casualty
VOLKSWAGEN GOLF FORD ESCORT
View Details

Accident 19935293E0053

Slight
2 vehicles 1 casualty
Vehicle ERF Model Missing
View Details