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 201543R173085
Slight
51.4942, -0.5840
2 vehicles
1 casualty
FORD FOCUS
Car
View Details
Accident 201543R119085
Slight
51.4930, -0.5348
2 vehicles
3 casualties
NISSAN ALMERA
NISSAN MICRA
View Details
Accident 201501XH30596
Slight
51.4926, -0.4168
2 vehicles
1 casualty
MERCEDES C CLASS
(3y)
VOLKSWAGEN TRANSPORTER
View Details
Accident 2015610040715
Slight
51.5933, -3.0263
2 vehicles
1 casualty
Car
Car
View Details
Accident 201543R101085
Slight
51.4997, -0.7252
2 vehicles
1 casualty
PEUGEOT 307
MITSUBISHI LANCER
View Details
Accident 201543R105085
Slight
51.4932, -0.5203
3 vehicles
1 casualty
DAF TRUCKS Model Missing
VAUXHALL VIVARO
(2y)
MERCEDES Model Missing
(1y)
View Details
Accident 201563AC27315
Slight
51.7456, -4.0645
2 vehicles
1 casualty
Car
Car
View Details
Accident 201543R089085
Slight
51.4932, -0.5131
4 vehicles
3 casualties
MINI COOPER
BMW X5
BMW 1 SERIES
MERCEDES E CLASS
View Details
Accident 201501XH30602
Slight
51.4932, -0.4219
3 vehicles
2 casualties
PEUGEOT 307
RENAULT KANGOO
BMW 3 SERIES
View Details
Accident 201543R096085
Slight
51.4934, -0.5116
5 vehicles
2 casualties
PEUGEOT 207
BMW 3 SERIES
FORD GALAXY
NISSAN NOTE
(3y)
FIAT 500
(1y)
View Details
Accident 2015621501391
Serious
51.5062, -3.3165
3 vehicles
1 casualty
Motorcycle over 500cc
Car
Car
View Details
Accident 201543R100085
Slight
51.4931, -0.5189
3 vehicles
2 casualties
FORD FIESTA
(4y)
FORD FIESTA
AUDI A3
View Details
Accident 2015547370015
Slight
51.5566, -1.9170
1 vehicle
1 casualty
KIA CEED
View Details
Accident 2015621501358
Slight
51.5157, -3.6661
2 vehicles
1 casualty
Car
Goods 7.5 tonnes mgw and over
View Details
Accident 2015621501347
Slight
51.5245, -3.6359
2 vehicles
1 casualty
Car
Car
View Details
Accident 2015621501359
Slight
51.6147, -3.8108
2 vehicles
2 casualties
Car
Car
View Details
Accident 201501XH30577
Slight
51.4947, -0.4419
3 vehicles
1 casualty
Van / Goods 3.5 tonnes mgw or under
NISSAN QASHQAI
(3y)
TOYOTA AVENSIS
(3y)
View Details
Accident 2015547236315
Serious
51.5145, -2.0979
2 vehicles
1 casualty
MINI COOPER
Car
View Details
Accident 201563AC26615
Slight
51.7449, -4.0656
2 vehicles
1 casualty
Car
Car
View Details
Accident 201501XH30575
Slight
51.4848, -0.4528
3 vehicles
2 casualties
LONDON TAXIS INT. TX4
VAUXHALL CORSA
VOLKSWAGEN SHARAN
View Details