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 todaySeverity Breakdown
- Fatal
- 724
- Serious
- 4,059
- Casualties
- 46,338
- Fatal
- 724
- Serious
- 4,059
- Casualties
- 46,338
Collisions by Year
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
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
Areas on the M4
Towns on the M4
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
Recent Accidents
Showing 20 of 29,200 accidents
Accident 1998610053398
Slight
3 vehicles
2 casualties
Vehicle
Vehicle
Vehicle
View Details
Accident 199843R088048
Slight
1 vehicle
2 casualties
Vehicle
View Details
Accident 199854MB00368
Slight
2 vehicles
2 casualties
Daf Trucks Model Missing
FORD ESCORT
View Details
Accident 199801TD00292
Slight
3 vehicles
1 casualty
VOLVO S40
MERCEDES S CLASS
(4y)
VOLVO 340
View Details
Accident 1998610053198
Slight
3 vehicles
1 casualty
Vehicle
Vehicle
Vehicle
View Details
Accident 199843R104048
Slight
2 vehicles
2 casualties
Vehicle
FIAT UNO
View Details
Accident 199801TD00291
Slight
2 vehicles
1 casualty
VAUXHALL CAVALIER
ROVER 200 SERIES
(4y)
View Details
Accident 199862D012098
Slight
2 vehicles
2 casualties
SEDDON/ATKINSON Model Missing
(3y)
FORD MONDEO
View Details
Accident 1998520940371
Slight
3 vehicles
1 casualty
SEDDON/ATKINSON Model Missing
TOYOTA COROLLA
AUDI 80
View Details
Accident 1998610039798
Slight
2 vehicles
2 casualties
Vehicle
Vehicle
View Details
Accident 199854MA00348
Serious
2 vehicles
2 casualties
Vehicle
Vehicle
View Details
Accident 199862B019598
Slight
2 vehicles
1 casualty
VAUXHALL CAVALIER
SUZUKI SJ
View Details
Accident 1998610039098
Slight
6 vehicles
5 casualties
Vehicle
Vehicle
Vehicle
Vehicle
Vehicle
Vehicle
View Details
Accident 1998520039578
Slight
2 vehicles
1 casualty
Vehicle
PEUGEOT 405
(3y)
View Details
Accident 1998610039598
Slight
2 vehicles
2 casualties
Vehicle
Vehicle
View Details
Accident 199854MB00358
Slight
1 vehicle
1 casualty
FORD TRANSIT
View Details
Accident 199843R049048
Slight
3 vehicles
1 casualty
MG METRO
VOLKSWAGEN POLO
Vehicle
View Details
Accident 1998610041098
Slight
2 vehicles
1 casualty
Vehicle
Vehicle
View Details
Accident 199843N091048
Slight
1 vehicle
1 casualty
YAMAHA Model Missing
View Details
Accident 199843R044048
Slight
5 vehicles
1 casualty
FORD FIESTA
(3y)
ROVER 200 SERIES
VOLKSWAGEN GOLF
(3y)
RENAULT ESPACE
CITROEN BX
View Details