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 199501ID00008
Slight
2 vehicles
1 casualty
FORD ESCORT
TOYOTA COROLLA
View Details
Accident 199543U062015
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 19955295E0253
Slight
1 vehicle
1 casualty
MERCEDES Model Missing
View Details
Accident 199501ID00007
Slight
1 vehicle
2 casualties
VOLKSWAGEN GOLF
View Details
Accident 199543R075015
Slight
2 vehicles
1 casualty
FORD ORION
Vehicle
View Details
Accident 1995610006295
Slight
1 vehicle
3 casualties
Vehicle
View Details
Accident 199562G002195
Slight
4 vehicles
3 casualties
CITROEN ZX
(2y)
ROVER MONTEGO
(2y)
LEYLAND DAF 200
Vehicle
View Details
Accident 199543U050015
Slight
4 vehicles
1 casualty
FORD MONDEO
(1y)
FORD MONDEO
(1y)
FORD MONDEO
(1y)
Vehicle
View Details
Accident 19955295E0181
Serious
1 vehicle
1 casualty
VAUXHALL CARLTON
(2y)
View Details
Accident 199554CY00625
Slight
3 vehicles
1 casualty
FORD FIESTA
Vehicle
BMW 3 SERIES
(1y)
View Details
Accident 199543R057015
Slight
1 vehicle
4 casualties
VAUXHALL ASTRA
View Details
Accident 199554MA00055
Slight
3 vehicles
1 casualty
FORD TRANSIT
Daf Trucks Model Missing
(1y)
Vehicle
View Details
Accident 199543R051015
Slight
2 vehicles
3 casualties
PEUGEOT 205
FORD SIERRA
(3y)
View Details
Accident 199562L007295
Slight
3 vehicles
1 casualty
VAUXHALL ASTRA
FORD TRANSIT
(2y)
FORD TRANSIT
(1y)
View Details
Accident 199554MB00045
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 199501TC00024
Slight
1 vehicle
1 casualty
ROVER 200 SERIES
(1y)
View Details
Accident 199562M000495
Slight
2 vehicles
1 casualty
Vehicle
VOLKSWAGEN POLO
View Details
Accident 199501TC00022
Slight
2 vehicles
2 casualties
BMW K 75 S
(4y)
MERCEDES 200
View Details
Accident 199554MB00025
Slight
7 vehicles
1 casualty
VAUXHALL CAVALIER
(4y)
FORD ESCORT
VAUXHALL ASTRA
(2y)
FORD SIERRA
(4y)
VAUXHALL CAVALIER
ERF Model Missing
MAZDA MX-3
(1y)
View Details
Accident 19955295E0087
Slight
1 vehicle
1 casualty
ROVER 200 SERIES
(2y)
View Details