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 200243W586082
Slight
51.5071, -0.6346
2 vehicles
1 casualty
HONDA PRELUDE
FORD ESCORT
View Details
Accident 2002520114898
Slight
51.5375, -2.5401
1 vehicle
3 casualties
ROVER 200 SERIES
View Details
Accident 200243W580082
Serious
51.5025, -0.6945
2 vehicles
1 casualty
FORD FOCUS
KAWASAKI ER500
View Details
Accident 200201TX00835
Slight
51.4917, -0.4112
1 vehicle
1 casualty
KAWASAKI VN800
(4y)
View Details
Accident 200254MA07502
Serious
51.5262, -1.7238
3 vehicles
2 casualties
VOLKSWAGEN LT 35
Goods 7.5 tonnes mgw and over
FORD TRANSIT
(3y)
View Details
Accident 200243W544082
Slight
51.4907, -0.7434
1 vehicle
1 casualty
FORD FIESTA
View Details
Accident 2002620066044
Slight
51.5141, -3.2909
3 vehicles
4 casualties
FORD KA
FORD FIESTA
FORD ESCORT
View Details
Accident 200254MB07202
Slight
51.5301, -1.7510
1 vehicle
1 casualty
FORD TRANSIT
(2y)
View Details
Accident 200201TX00787
Slight
51.4924, -0.4093
3 vehicles
2 casualties
VOLKSWAGEN POLO
(1y)
RENAULT MEGANE
(4y)
Vehicle
View Details
Accident 2002620065990
Slight
51.5906, -3.7715
4 vehicles
3 casualties
CITROEN SAXO
BMW 3 SERIES
(2y)
RENAULT CLIO
Vehicle
View Details
Accident 200243W469082
Slight
51.5115, -0.6572
1 vehicle
1 casualty
CITROEN SAXO
(3y)
View Details
Accident 200254MB07402
Serious
51.5150, -2.1076
2 vehicles
3 casualties
Vehicle
ROVER METRO
View Details
Accident 200254MB07302
Slight
51.5059, -1.5971
5 vehicles
2 casualties
LAND ROVER FREELANDER
AUDI A6
(3y)
RENAULT LAGUNA
BMW 3 SERIES
(2y)
MITSUBISHI SPACE WAGON
(3y)
View Details
Accident 200254MB07102
Slight
51.5099, -2.1670
3 vehicles
1 casualty
LEYLAND DAF FA 60
(3y)
VAUXHALL VECTRA
(2y)
SCANIA Model Missing
View Details
Accident 200243W408082
Slight
51.4130, -0.9539
2 vehicles
1 casualty
ALFA ROMEO SPIDER
Goods 7.5 tonnes mgw and over
View Details
Accident 2002620066342
Slight
51.5064, -3.3119
1 vehicle
1 casualty
RENAULT CLIO
View Details
Accident 200201TX00782
Slight
51.4959, -0.4518
1 vehicle
1 casualty
PEUGEOT 306
(4y)
View Details
Accident 2002620068230
Slight
51.5139, -3.3722
2 vehicles
1 casualty
Vehicle
FORD ESCORT
View Details
Accident 200243W438082
Slight
51.5021, -0.5983
2 vehicles
1 casualty
Vehicle
MINI COOPER
View Details
Accident 200243W390082
Slight
51.4548, -1.4885
1 vehicle
2 casualties
SEAT IBIZA
(2y)
View Details