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 199001TC00762
Slight
2 vehicles
1 casualty
FORD SIERRA
FORD ESCORT
(3y)
View Details
Accident 199061B532900
Slight
1 vehicle
4 casualties
AUSTIN ALLEGRO
View Details
Accident 199043E117110
Slight
3 vehicles
1 casualty
VOLVO 740
(2y)
AUSTIN MAESTRO
(1y)
AUSTIN MONTEGO
(1y)
View Details
Accident 199043E131110
Serious
3 vehicles
2 casualties
AUDI 80
BEDFORD Model Missing
FORD SIERRA
View Details
Accident 1990620H91710
Slight
4 vehicles
1 casualty
VOLKSWAGEN PASSAT
FORD ESCORT
(2y)
RENAULT 21
(1y)
FORD SIERRA
View Details
Accident 199001TC00752
Serious
3 vehicles
3 casualties
Vehicle
BEDFORD Model Missing
(4y)
SAAB 900
View Details
Accident 199043C099110
Slight
2 vehicles
1 casualty
Vehicle
TOYOTA HIACE
(1y)
View Details
Accident 199043C098110
Slight
2 vehicles
1 casualty
VAUXHALL ASTRA
(1y)
PEUGEOT 309
View Details
Accident 199001TC00749
Serious
1 vehicle
4 casualties
BMW 5 SERIES
View Details
Accident 199043E132110
Slight
2 vehicles
1 casualty
HONDA Model Missing
Vehicle
View Details
Accident 1990620F04360
Slight
2 vehicles
1 casualty
VAUXHALL CAVALIER
(1y)
LAND ROVER 88
View Details
Accident 1990620H91400
Fatal
1 vehicle
1 casualty
SEDDON/ATKINSON Model Missing
(1y)
View Details
Accident 199001TC00739
Slight
2 vehicles
1 casualty
AUSTIN MAESTRO
(1y)
TRIUMPH ACCLAIM
View Details
Accident 199001TC00741
Slight
3 vehicles
1 casualty
VOLVO 343
BMW 3 SERIES
(2y)
FORD GRANADA
(2y)
View Details
Accident 199043E103110
Serious
1 vehicle
1 casualty
FORD FIESTA
View Details
Accident 199001TC00742
Slight
1 vehicle
1 casualty
FORD ORION
(3y)
View Details
Accident 199043F064110
Serious
2 vehicles
1 casualty
SUZUKI Model Missing
Vehicle
View Details
Accident 199001TC00735
Slight
1 vehicle
1 casualty
MAZDA 323
(4y)
View Details
Accident 199043E089110
Slight
2 vehicles
1 casualty
Vehicle
Vehicle
View Details
Accident 199043E084110
Slight
1 vehicle
1 casualty
RENAULT 21
(3y)
View Details