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 199443R078044
Slight
2 vehicles
1 casualty
Vehicle
FORD ESCORT
(3y)
View Details
Accident 199454MB00274
Slight
2 vehicles
1 casualty
PORSCHE 944
(3y)
MERCEDES Model Missing
View Details
Accident 199443U069044
Slight
2 vehicles
1 casualty
LEYLAND DAF FT 85
DENNIS Model Missing
View Details
Accident 199401TD00255
Serious
1 vehicle
1 casualty
FORD ESCORT
(1y)
View Details
Accident 199401TC00236
Slight
3 vehicles
1 casualty
Vehicle
TOYOTA COROLLA
(1y)
BMW 3 SERIES
(1y)
View Details
Accident 1994610042294
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 199454CD02174
Slight
2 vehicles
1 casualty
VAUXHALL CAVALIER
FORD TRANSIT
View Details
Accident 199443R075044
Slight
2 vehicles
1 casualty
VAUXHALL CAVALIER
VOLKSWAGEN GOLF
(1y)
View Details
Accident 199401TC00239
Slight
3 vehicles
1 casualty
FORD SIERRA
FORD FIESTA
VAUXHALL CAVALIER
View Details
Accident 199454MB00264
Slight
3 vehicles
2 casualties
Vehicle
(1y)
Vehicle
FORD ESCORT
View Details
Accident 199454MA00234
Serious
2 vehicles
1 casualty
VAUXHALL CORSA
(1y)
FIAT UNO
View Details
Accident 199454MB00254
Slight
1 vehicle
1 casualty
FORD SIERRA
View Details
Accident 199401TD00269
Slight
2 vehicles
1 casualty
FORD FIESTA
Vehicle
View Details
Accident 199443R082044
Slight
2 vehicles
1 casualty
HARLEY-DAVIDSON Model Missing
(2y)
Van / Goods 3.5 tonnes mgw or under
View Details
Accident 19945294E1512
Slight
1 vehicle
1 casualty
ROVER 200 SERIES
(3y)
View Details
Accident 1994610043994
Slight
2 vehicles
3 casualties
VAUXHALL CARLTON
(1y)
PEUGEOT 205
(2y)
View Details
Accident 199462F015094
Slight
2 vehicles
1 casualty
PEUGEOT 205
SEDDON/ATKINSON Model Missing
(2y)
View Details
Accident 1994610040894
Slight
1 vehicle
1 casualty
FORD ESCORT
(4y)
View Details
Accident 199401TC00221
Slight
2 vehicles
1 casualty
BMW 3 SERIES
Vehicle
View Details
Accident 199401TC00222
Slight
2 vehicles
1 casualty
FORD ORION
Vehicle
View Details