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 199701TC00313
Serious
1 vehicle
1 casualty
Vehicle
View Details
Accident 199762J020197
Slight
1 vehicle
1 casualty
YAMAHA Model Missing
View Details
Accident 199743W045067
Slight
1 vehicle
2 casualties
ROVER METRO
View Details
Accident 199754MA00457
Slight
1 vehicle
2 casualties
RENAULT CLIO
(4y)
View Details
Accident 199743R045067
Slight
2 vehicles
1 casualty
Vehicle
Vehicle
View Details
Accident 199701TC00305
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 199762B028697
Slight
1 vehicle
1 casualty
VAUXHALL VECTRA
(1y)
View Details
Accident 199762F019697
Slight
2 vehicles
2 casualties
Vehicle
Vehicle
View Details
Accident 199762J020097
Slight
2 vehicles
1 casualty
FIAT BRAVA
Vehicle
View Details
Accident 199754MA00447
Slight
1 vehicle
1 casualty
VOLVO 440
(2y)
View Details
Accident 1997524096712
Slight
4 vehicles
1 casualty
VOLKSWAGEN POLO
PEUGEOT 406
(1y)
ROVER 200 SERIES
ROVER 600 SERIES
View Details
Accident 199701TC00298
Slight
2 vehicles
1 casualty
KAWASAKI ZX600
PORSCHE 911
(4y)
View Details
Accident 199743W035067
Slight
5 vehicles
2 casualties
FORD MONDEO
(3y)
FORD MONDEO
(2y)
ROVER 800 SERIES
DAIHATSU FOURTRAK
VAUXHALL VECTRA
(2y)
View Details
Accident 199701TC00299
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 199701TC00302
Slight
2 vehicles
2 casualties
VOLVO 240
PEUGEOT 309
View Details
Accident 199743R031067
Slight
2 vehicles
2 casualties
VAUXHALL NOVA
VAUXHALL CAVALIER
View Details
Accident 199743R029067
Slight
3 vehicles
2 casualties
VAUXHALL CAVALIER
(3y)
Vehicle
Vehicle
View Details
Accident 199754MB00437
Slight
1 vehicle
2 casualties
Vehicle
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Accident 199762D015997
Slight
1 vehicle
1 casualty
RENAULT ESPACE
(1y)
View Details
Accident 199762F019497
Slight
2 vehicles
1 casualty
SEDDON/ATKINSON Model Missing
PEUGEOT 106
(3y)
View Details