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 199843W144058
Slight
2 vehicles
1 casualty
VAUXHALL ASTRA
(4y)
Van / Goods 3.5 tonnes mgw or under
View Details
Accident 199801TD00389
Slight
2 vehicles
1 casualty
SUZUKI Model Missing
FORD MONDEO
View Details
Accident 199843R091058
Slight
3 vehicles
1 casualty
Vehicle
RENAULT CLIO
(1y)
MAZDA 323
(3y)
View Details
Accident 199843W159058
Slight
1 vehicle
1 casualty
TOYOTA CELICA
View Details
Accident 199801TD00387
Slight
4 vehicles
3 casualties
FORD Model Missing
ROVER STERLING
AUDI A4
(2y)
PEUGEOT 405
View Details
Accident 1998520059722
Slight
2 vehicles
2 casualties
VOLVO Model Missing
FORD SIERRA
View Details
Accident 199863ER07798
Slight
2 vehicles
1 casualty
FORD SIERRA
FORD SIERRA
View Details
Accident 199843R158058
Slight
2 vehicles
1 casualty
TOYOTA COROLLA
FORD MONDEO
(2y)
View Details
Accident 199801TD00374
Fatal
1 vehicle
1 casualty
Vehicle
View Details
Accident 199843R051058
Slight
2 vehicles
1 casualty
BMW 3 SERIES
(2y)
VOLVO 240
View Details
Accident 199862G015498
Slight
2 vehicles
1 casualty
FORD SIERRA
FORD ORION
View Details
Accident 199843W101058
Slight
1 vehicle
1 casualty
FORD ORION
View Details
Accident 199843R040058
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 199843R038058
Slight
4 vehicles
1 casualty
PEUGEOT 406
(2y)
Vehicle
FORD MONDEO
Vehicle
View Details
Accident 199862D015598
Slight
2 vehicles
1 casualty
Vehicle
RENAULT CLIO
(4y)
View Details
Accident 1998520050441
Serious
1 vehicle
1 casualty
NISSAN MICRA
(2y)
View Details
Accident 199801ID00044
Slight
2 vehicles
1 casualty
FORD SIERRA
HONDA ACCORD
(2y)
View Details
Accident 199843R025058
Slight
2 vehicles
1 casualty
MERCEDES Model Missing
MERCEDES 300
View Details
Accident 199801TD00373
Slight
1 vehicle
1 casualty
HONDA Model Missing
(1y)
View Details
Accident 199843R023058
Slight
1 vehicle
1 casualty
FORD ESCORT
(3y)
View Details