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.
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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
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Recent Accidents
Showing 20 of 29,200 accidents
Accident 199101TC00098
Slight
3 vehicles
1 casualty
FORD ESCORT
(2y)
FORD ESCORT
Van / Goods 3.5 tonnes mgw or under
View Details
Accident 199154MB00181
Slight
2 vehicles
1 casualty
VAUXHALL CAVALIER
(2y)
FORD Model Missing
View Details
Accident 1991620B01400
Slight
1 vehicle
2 casualties
VAUXHALL CARLTON
(4y)
View Details
Accident 199154MA00171
Slight
2 vehicles
1 casualty
MAN/VW Model Missing
FORD SIERRA
(3y)
View Details
Accident 199143I002611
Slight
8 vehicles
6 casualties
Vehicle
Vehicle
BMW 3 SERIES
FORD SIERRA
(3y)
VOLKSWAGEN CORRADO
(1y)
FORD ESCORT
FORD ESCORT
VAUXHALL CAVALIER
View Details
Accident 199143J002531
Serious
1 vehicle
1 casualty
NISSAN CHERRY
View Details
Accident 199154MA00161
Slight
2 vehicles
1 casualty
FORD SIERRA
(3y)
Vehicle
View Details
Accident 199161A077910
Slight
3 vehicles
1 casualty
VAUXHALL CAVALIER
(2y)
JAGUAR XJ SERIES
FORD SIERRA
View Details
Accident 199101TC00096
Slight
3 vehicles
1 casualty
MERCEDES 400
(3y)
VOLKSWAGEN SCIROCCO
(3y)
JAGUAR XJ SERIES
(3y)
View Details
Accident 1991620G00760
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 199101TC00092
Slight
2 vehicles
1 casualty
CITROEN BX
(2y)
PEUGEOT 309
(4y)
View Details
Accident 199101TC00087
Slight
3 vehicles
1 casualty
FORD ESCORT
(3y)
VAUXHALL CAVALIER
FORD FIESTA
(4y)
View Details
Accident 1991620H01280
Slight
2 vehicles
1 casualty
FORD SIERRA
(1y)
Vehicle
View Details
Accident 199101TC00091
Slight
1 vehicle
2 casualties
Bus or coach (17 or more pass seats)
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Accident 199143I002211
Slight
2 vehicles
1 casualty
Daf Trucks Model Missing
LEYLAND Model Missing
View Details
Accident 199161B089910
Slight
3 vehicles
3 casualties
FORD SIERRA
(2y)
VAUXHALL CAVALIER
(1y)
TOYOTA COROLLA
(1y)
View Details
Accident 199143O001581
Slight
4 vehicles
1 casualty
Vehicle
VAUXHALL ASTRA
(4y)
Daf Trucks Model Missing
VAUXHALL CAVALIER
(2y)
View Details
Accident 199143I002431
Slight
2 vehicles
1 casualty
VAUXHALL CAVALIER
(1y)
VAUXHALL SENATOR
(3y)
View Details
Accident 199143I002581
Serious
10 vehicles
2 casualties
FIAT DUCATO
VAUXHALL CAVALIER
(2y)
ROVER STERLING
(3y)
FORD SAPPHIRE
(1y)
VOLVO 740
(4y)
VAUXHALL CAVALIER
(1y)
ROVER MONTEGO
(1y)
VOLVO MODEL MISSING
(4y)
MAN Model Missing
(4y)
SCANIA Model Missing
View Details
Accident 1991620B01390
Serious
1 vehicle
1 casualty
FORD FIESTA
View Details