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.
Is the M4 closed right now? See today's accidents, overnight closures and roadworks.
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
Click markers for details
Move Insights
Thinking of moving to this area?
Check flood risk, planning history, EPC ratings and more with a Move Insights property report.
Flood risk assessment
Planning history
EPC ratings & more
Recent Accidents
Showing 20 of 29,200 accidents
Accident 199701TC00031
Slight
2 vehicles
1 casualty
VOLKSWAGEN POLO
VAUXHALL CAVALIER
View Details
Accident 199762E001597
Slight
2 vehicles
1 casualty
FORD ORION
FORD ESCORT
(1y)
View Details
Accident 1997610010197
Slight
7 vehicles
2 casualties
FORD FIESTA
VOLKSWAGEN GOLF
(1y)
PEUGEOT 405
(4y)
BMW 3 SERIES
VAUXHALL CAVALIER
(4y)
FORD ESCORT
CITROEN ZX
(2y)
View Details
Accident 1997610011597
Slight
2 vehicles
1 casualty
BMW 3 SERIES
Vehicle
View Details
Accident 1997610011697
Slight
3 vehicles
1 casualty
Vehicle
FORD FIESTA
FORD ESCORT
View Details
Accident 199743R095017
Slight
3 vehicles
2 casualties
FORD GRANADA
(3y)
FIAT PUNTO
(1y)
VAUXHALL OMEGA
(1y)
View Details
Accident 199762F002397
Slight
1 vehicle
1 casualty
FORD FIESTA
View Details
Accident 1997610009597
Slight
1 vehicle
1 casualty
FODEN Model Missing
View Details
Accident 199762G001997
Slight
2 vehicles
1 casualty
IVECO-FORD Model Missing
SEDDON/ATKINSON Model Missing
View Details
Accident 199754MA00087
Slight
4 vehicles
1 casualty
FIAT CINQUECENTO
(2y)
FIAT BRAVA
(1y)
CITROEN XANTIA
(3y)
Vehicle
View Details
Accident 199762G001897
Slight
2 vehicles
1 casualty
FORD ESCORT
FORD FIESTA
(2y)
View Details
Accident 199754MB00077
Slight
3 vehicles
2 casualties
MAZDA XEDOS
(2y)
ERF Model Missing
(3y)
MERCEDES Model Missing
View Details
Accident 199743U050017
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 199743R065017
Slight
2 vehicles
1 casualty
KAWASAKI ZX600
ALFA ROMEO 164
(2y)
View Details
Accident 199743R067017
Slight
2 vehicles
2 casualties
FORD MONDEO
(4y)
VAUXHALL CAVALIER
(4y)
View Details
Accident 199762G001097
Slight
2 vehicles
1 casualty
TOYOTA COROLLA
RENAULT Model Missing
View Details
Accident 1997610000797
Slight
6 vehicles
2 casualties
MERCEDES 300
(1y)
FORD MONDEO
(3y)
NISSAN PRIMERA
(2y)
HONDA ACCORD
(1y)
VAUXHALL ASTRA
BMW 3 SERIES
(3y)
View Details
Accident 199701TC00018
Slight
2 vehicles
1 casualty
RENAULT 19
(4y)
RENAULT CLIO
View Details
Accident 1997610002597
Slight
1 vehicle
1 casualty
HONDA Model Missing
(1y)
View Details
Accident 199743R045017
Slight
4 vehicles
1 casualty
RENAULT MEGANE
(1y)
ROVER 200 SERIES
(4y)
PEUGEOT 305
Vehicle
View Details