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 199843R128048
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 1998610046298
Slight
2 vehicles
1 casualty
Vehicle
Vehicle
View Details
Accident 199854MB00388
Slight
3 vehicles
1 casualty
TOYOTA AVENSIS
BMW 3 SERIES
(3y)
ROVER 200 SERIES
(2y)
View Details
Accident 199843R125048
Slight
3 vehicles
1 casualty
FORD TRANSIT
(4y)
Vehicle
FORD ESCORT
(3y)
View Details
Accident 199843R123048
Slight
2 vehicles
2 casualties
Vehicle
FORD FIESTA
(1y)
View Details
Accident 199854MB00378
Slight
2 vehicles
1 casualty
ROVER 100 SERIES
(3y)
SEAT ALHAMBRA
(1y)
View Details
Accident 1998520042455
Fatal
2 vehicles
3 casualties
VAUXHALL CAVALIER
LEYLAND DAF Model Missing
View Details
Accident 199843R106048
Slight
2 vehicles
1 casualty
MG MGF
(1y)
Van / Goods 3.5 tonnes mgw or under
View Details
Accident 199801XH00332
Slight
2 vehicles
1 casualty
RENAULT SAFRANE
(2y)
RENAULT MEGANE
(2y)
View Details
Accident 1998430R09604
Slight
2 vehicles
1 casualty
MERCEDES E CLASS
Van / Goods 3.5 tonnes mgw or under
View Details
Accident 199862L009398
Slight
2 vehicles
1 casualty
FIAT BRAVA
(1y)
VAUXHALL CORSA
(2y)
View Details
Accident 199843R094048
Slight
2 vehicles
1 casualty
NISSAN SUNNY
FORD TRANSIT
View Details
Accident 199862L008998
Slight
2 vehicles
1 casualty
ROVER 200 SERIES
(4y)
FORD FIESTA
View Details
Accident 1998610045998
Slight
2 vehicles
1 casualty
Vehicle
Vehicle
View Details
Accident 1998520040576
Slight
2 vehicles
2 casualties
VOLKSWAGEN GOLF
NISSAN MICRA
View Details
Accident 199843R158048
Slight
1 vehicle
1 casualty
SUZUKI Model Missing
View Details
Accident 1998520041793
Slight
4 vehicles
1 casualty
AUDI 80
FORD SIERRA
Vehicle
FORD FIESTA
View Details
Accident 1998610044198
Slight
2 vehicles
1 casualty
Vehicle
Van / Goods 3.5 tonnes mgw or under
View Details
Accident 1998610041298
Slight
3 vehicles
4 casualties
Vehicle
Vehicle
Vehicle
View Details
Accident 1998610045798
Slight
2 vehicles
1 casualty
Vehicle
Vehicle
View Details