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 2021430433437
Slight
51.4242, -0.8776
2 vehicles
1 casualty
VOLKSWAGEN MODEL MISSING
Goods 7.5 tonnes mgw and over
View Details
Accident 2021430432399
Slight
51.5037, -0.6158
2 vehicles
1 casualty
AUDI A6
(4y)
Car
View Details
Accident 2021522104759
Slight
51.5046, -2.5008
2 vehicles
1 casualty
FORD FIESTA
VOLKSWAGEN POLO
View Details
Accident 2021010332584
Slight
51.4959, -0.4611
3 vehicles
5 casualties
BMW 1 SERIES
LAND ROVER DEFENDER
HONDA CRV
View Details
Accident 2021622100708
Slight
51.5071, -3.3087
4 vehicles
3 casualties
AUDI A1
(4y)
HYUNDAI IONIQ
SCANIA MODEL MISSING
FORD FIESTA
View Details
Accident 2021430430896
Slight
51.4377, -0.8394
2 vehicles
1 casualty
PEUGEOT PARTNER
MERCEDES C CLASS
View Details
Accident 2021549143221
Slight
51.5358, -2.0009
1 vehicle
1 casualty
FORD FIESTA
View Details
Accident 2021522200725
Slight
51.5287, -2.5305
2 vehicles
1 casualty
AUDI A3
Car
(2y)
View Details
Accident 2021610037321
Serious
51.6034, -2.9969
2 vehicles
4 casualties
Car
Car
View Details
Accident 2021430423535
Slight
51.4879, -0.5747
2 vehicles
1 casualty
MERCEDES E CLASS
(4y)
Car
View Details
Accident 2021522105543
Slight
51.4978, -2.4096
3 vehicles
1 casualty
CITROEN DS3
RENAULT TRAFIC
MAZDA 2
View Details
Accident 2021622100717
Slight
51.6785, -4.0092
2 vehicles
2 casualties
FORD TRANSIT CUSTOM
(1y)
LAND ROVER FREELANDER
View Details
Accident 2021430411572
Slight
51.4371, -0.8411
2 vehicles
2 casualties
Goods 7.5 tonnes mgw and over
AUDI A4
View Details
Accident 2021522104827
Slight
51.5057, -2.4952
1 vehicle
1 casualty
FORD FIESTA
View Details
Accident 2021548867321
Slight
51.5263, -1.7221
3 vehicles
1 casualty
VOLKSWAGEN GOLF
HONDA CIVIC
FORD C-MAX
View Details
Accident 2021430408248
Slight
51.4503, -1.4076
2 vehicles
1 casualty
SKODA OCTAVIA
(1y)
DAF TRUCKS Model Missing
View Details
Accident 2021010329778
Slight
51.4955, -0.4667
2 vehicles
1 casualty
MITSUBISHI OUTLANDER
AUDI A6
View Details
Accident 2021548617621
Slight
51.5259, -1.7168
4 vehicles
2 casualties
Van / Goods 3.5 tonnes mgw or under
VOLKSWAGEN CADDY
Car
BMW X6
View Details
Accident 2021430403533
Slight
51.4923, -0.5429
2 vehicles
1 casualty
VAUXHALL CORSA
Car
View Details
Accident 2021610050221
Serious
51.5950, -3.0208
3 vehicles
2 casualties
Car
Car
Taxi/Private hire car
View Details