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 199354MB00673
Slight
2 vehicles
2 casualties
LEYLAND DAF FA 45
Vehicle
(4y)
View Details
Accident 199301TC00603
Slight
2 vehicles
1 casualty
VAUXHALL SENATOR
Bus or coach (17 or more pass seats)
(4y)
View Details
Accident 199354MA00663
Serious
1 vehicle
1 casualty
MERCEDES Model Missing
View Details
Accident 199301TC00626
Serious
2 vehicles
1 casualty
TOYOTA CARINA
Vehicle
View Details
Accident 199343R027113
Slight
5 vehicles
2 casualties
VAUXHALL CAVALIER
(1y)
ROVER 600 SERIES
FORD FIESTA
(3y)
BMW 3 SERIES
VAUXHALL ASTRA
(1y)
View Details
Accident 199343R018113
Slight
2 vehicles
1 casualty
FORD SIERRA
LEYLAND DAF FT 95
View Details
Accident 199343U024113
Slight
2 vehicles
1 casualty
LEYLAND DAF Model Missing
(4y)
Vehicle
View Details
Accident 199301TC00607
Slight
1 vehicle
1 casualty
TVR Model Missing
(1y)
View Details
Accident 199343N070113
Slight
1 vehicle
1 casualty
RENAULT 21
View Details
Accident 199301TC00600
Slight
2 vehicles
1 casualty
NISSAN MICRA
(4y)
CITROEN ZX
View Details
Accident 199362M031393
Slight
1 vehicle
2 casualties
FORD ESCORT
View Details
Accident 199301TC00604
Serious
3 vehicles
1 casualty
TOYOTA COROLLA
(2y)
CITROEN AX
(1y)
VAUXHALL CAVALIER
(3y)
View Details
Accident 199301TC00599
Slight
2 vehicles
1 casualty
ROVER SD1
CITROEN BX
View Details
Accident 199301TC00596
Serious
1 vehicle
1 casualty
KAWASAKI Model Missing
(3y)
View Details
Accident 199354MB00643
Fatal
1 vehicle
3 casualties
Vehicle
View Details
Accident 199354MB00633
Serious
2 vehicles
2 casualties
Daf Trucks Model Missing
VOLKSWAGEN DELIVERY VAN
View Details
Accident 199354MB00623
Slight
2 vehicles
1 casualty
SEAT IBIZA
AUDI 100
View Details
Accident 199362B026593
Slight
2 vehicles
1 casualty
KAWASAKI EX305
MERCEDES Model Missing
View Details
Accident 199301TC00590
Slight
2 vehicles
1 casualty
VOLKSWAGEN VENTO
RENAULT 25
(1y)
View Details
Accident 199343N010113
Slight
2 vehicles
1 casualty
SKODA 120
FORD SIERRA
(1y)
View Details