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 199454MB00214
Serious
1 vehicle
2 casualties
CHRYSLER SUNBEAM
View Details
Accident 199401TC00206
Slight
2 vehicles
3 casualties
FIAT CINQUECENTO
(1y)
Vehicle
View Details
Accident 199443R018044
Slight
2 vehicles
2 casualties
FORD GRANADA
VAUXHALL CAVALIER
View Details
Accident 199454MA00204
Slight
2 vehicles
2 casualties
Vehicle
FORD ESCORT
View Details
Accident 199454DS02404
Slight
3 vehicles
1 casualty
AUSTIN MONTEGO
AUSTIN MONTEGO
Daf Trucks Model Missing
View Details
Accident 199401TC00195
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 1994610032994
Slight
2 vehicles
1 casualty
VOLVO Model Missing
VAUXHALL CAVALIER
View Details
Accident 199443R002044
Slight
2 vehicles
1 casualty
Vehicle
SAAB 900
View Details
Accident 199462G011994
Slight
2 vehicles
3 casualties
FORD ESCORT
ROVER 200 SERIES
(1y)
View Details
Accident 199462E012794
Slight
2 vehicles
1 casualty
FORD ESCORT
(1y)
Daf Trucks Model Missing
View Details
Accident 199443U003044
Slight
1 vehicle
2 casualties
FORD ESCORT
(1y)
View Details
Accident 19945294E1359
Slight
3 vehicles
2 casualties
VOLKSWAGEN GOLF
(3y)
VOLKSWAGEN GOLF
(4y)
FORD ESCORT
(4y)
View Details
Accident 19945294E1361
Slight
3 vehicles
1 casualty
Vehicle
NISSAN MICRA
(3y)
FORD ORION
View Details
Accident 199443R141034
Slight
2 vehicles
1 casualty
AUSTIN MAESTRO
VOLKSWAGEN GOLF
(2y)
View Details
Accident 199462L080394
Slight
3 vehicles
1 casualty
Vehicle
FORD Model Missing
Vehicle
View Details
Accident 199401TC00187
Slight
2 vehicles
1 casualty
Vehicle
PEUGEOT 309
(3y)
View Details
Accident 199443R118034
Serious
2 vehicles
2 casualties
VOLKSWAGEN POLO
BEDFORD Model Missing
View Details
Accident 199462L080294
Slight
1 vehicle
1 casualty
VOLKSWAGEN POLO
View Details
Accident 19945294F1221
Slight
2 vehicles
1 casualty
SUZUKI Model Missing
Vehicle
View Details
Accident 199401TC00189
Slight
2 vehicles
1 casualty
VOLKSWAGEN GOLF
VOLKSWAGEN POLO
View Details