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 199443R016034
Slight
5 vehicles
3 casualties
BMW 3 SERIES
(2y)
VOLVO 480
TOYOTA CARINA
(1y)
VOLKSWAGEN GOLF
(1y)
VAUXHALL ASTRA
View Details
Accident 199401TC00133
Slight
1 vehicle
1 casualty
VAUXHALL ASTRA
View Details
Accident 1994610024494
Slight
2 vehicles
1 casualty
IVECO-FORD Model Missing
RENAULT CLIO
View Details
Accident 199443U004034
Serious
2 vehicles
1 casualty
Vehicle
PEUGEOT 405
(4y)
View Details
Accident 199401TC00136
Slight
4 vehicles
2 casualties
MORRIS MINOR
SUZUKI SUPERCARRY
FORD FIESTA
FORD ESCORT
(1y)
View Details
Accident 199401TC00131
Serious
3 vehicles
1 casualty
BMW 5 SERIES
PEUGEOT 306
(1y)
ALFA ROMEO 33
View Details
Accident 199401TC00132
Slight
2 vehicles
2 casualties
VAUXHALL CAVALIER
(3y)
VAUXHALL CAVALIER
(4y)
View Details
Accident 199443R011034
Slight
2 vehicles
1 casualty
RENAULT Model Missing
Vehicle
View Details
Accident 199443R004034
Slight
1 vehicle
1 casualty
FORD FIESTA
(4y)
View Details
Accident 199401TC00127
Slight
2 vehicles
1 casualty
VAUXHALL CAVALIER
RENAULT 21
(2y)
View Details
Accident 199443R125024
Slight
3 vehicles
2 casualties
VAUXHALL BELMONT
CITROEN BX
(2y)
PEUGEOT 205
View Details
Accident 199454MA00134
Slight
1 vehicle
4 casualties
Vehicle
View Details
Accident 199401TC00122
Slight
2 vehicles
1 casualty
VOLKSWAGEN POLO
(4y)
VAUXHALL CAVALIER
View Details
Accident 199462B005194
Slight
2 vehicles
1 casualty
VAUXHALL ASTRA
SKODA 120
View Details
Accident 19945294E0926
Slight
1 vehicle
2 casualties
ROVER 200 SERIES
View Details
Accident 199401TC00124
Slight
3 vehicles
1 casualty
FORD SIERRA
(4y)
TRIUMPH ACCLAIM
MCW METROCAB
View Details
Accident 199454MA00124
Fatal
2 vehicles
2 casualties
MERCEDES Model Missing
CITROEN ZX
(2y)
View Details
Accident 199463A506694
Slight
2 vehicles
1 casualty
MERCEDES 200
FORD ESCORT
View Details
Accident 199401XH00181
Slight
3 vehicles
1 casualty
NISSAN MICRA
(1y)
NISSAN BLUEBIRD
ROVER 800 SERIES
View Details
Accident 199443R117024
Slight
2 vehicles
1 casualty
VAUXHALL CAVALIER
JEEP CHEROKEE
(1y)
View Details