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 199101TC00722
Serious
1 vehicle
2 casualties
RENAULT 5
(3y)
View Details
Accident 1991620F04380
Slight
1 vehicle
1 casualty
Van / Goods 3.5 tonnes mgw or under
View Details
Accident 199154MA00811
Slight
2 vehicles
1 casualty
Vehicle
RENAULT FUEGO
View Details
Accident 199143G016221
Slight
1 vehicle
2 casualties
RENAULT 5
(3y)
View Details
Accident 19915291N8450
Slight
3 vehicles
1 casualty
VAUXHALL CAVALIER
(1y)
FIAT REGATA
(1y)
Vehicle
View Details
Accident 199154MB00791
Slight
1 vehicle
1 casualty
FORD FIESTA
View Details
Accident 1991620B06470
Serious
1 vehicle
1 casualty
Vehicle
View Details
Accident 199143O011491
Slight
2 vehicles
1 casualty
TALBOT EXPRESS
(3y)
Vehicle
View Details
Accident 199161A483910
Slight
2 vehicles
1 casualty
SEDDON/ATKINSON Model Missing
AUDI 80
View Details
Accident 199101TC00734
Slight
2 vehicles
1 casualty
ROVER 200 SERIES
FORD ESCORT
(2y)
View Details
Accident 199154MB00801
Slight
1 vehicle
1 casualty
MG MGB
View Details
Accident 199101TC00735
Slight
2 vehicles
1 casualty
ROVER 200 SERIES
Vehicle
View Details
Accident 19915291N8482
Slight
3 vehicles
1 casualty
AUSTIN MONTEGO
(4y)
SCANIA Model Missing
(1y)
VAUXHALL CAVALIER
(1y)
View Details
Accident 1991620M01220
Serious
2 vehicles
4 casualties
Vehicle
TOYOTA CARINA
(2y)
View Details
Accident 199101TC00713
Slight
2 vehicles
1 casualty
RENAULT 21
(4y)
Vehicle
View Details
Accident 1991620G04100
Slight
3 vehicles
2 casualties
ERF Model Missing
Van / Goods 3.5 tonnes mgw or under
ERF Model Missing
View Details
Accident 199101TC00701
Slight
3 vehicles
2 casualties
VOLKSWAGEN Model Missing
(4y)
FORD ESCORT
FORD ESCORT
View Details
Accident 199101ID00129
Slight
2 vehicles
1 casualty
Vehicle
Vehicle
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Accident 199101XY00648
Slight
2 vehicles
1 casualty
VAUXHALL CAVALIER
MAZDA 626
View Details
Accident 199101TC00697
Slight
1 vehicle
1 casualty
FORD ESCORT
View Details