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
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Recent Accidents
Showing 20 of 29,200 accidents
Accident 201101XH30699
Slight
51.4945, -0.4870
3 vehicles
1 casualty
FORD MONDEO
RENAULT SCENIC
VOLKSWAGEN GOLF
(2y)
View Details
Accident 2011620212857
Slight
51.6261, -3.8222
2 vehicles
1 casualty
BMW 7 SERIES
RENAULT MEGANE
(2y)
View Details
Accident 201143R100111
Slight
51.5196, -0.6548
2 vehicles
1 casualty
SAAB 9-3
Car
View Details
Accident 201154A128811
Slight
51.5291, -2.0261
2 vehicles
1 casualty
PEUGEOT 307
DAF TRUCKS FT 95XF
View Details
Accident 2011620212897
Slight
51.5111, -3.3591
2 vehicles
1 casualty
MAZDA 5
Car
View Details
Accident 201143W118111
Slight
51.4745, -1.5398
3 vehicles
1 casualty
SAAB 900
FORD FOCUS
VOLVO Model Missing
View Details
Accident 2011620212874
Slight
51.6775, -3.9140
2 vehicles
2 casualties
HYUNDAI ACCENT
FORD FOCUS
(1y)
View Details
Accident 2011610063611
Slight
51.5821, -2.7450
2 vehicles
2 casualties
VAUXHALL VECTRA
Goods 7.5 tonnes mgw and over
View Details
Accident 2011620212817
Slight
51.5343, -3.5774
2 vehicles
1 casualty
FORD FIESTA
(3y)
FORD FIESTA
(1y)
View Details
Accident 2011549948811
Slight
51.5260, -1.7157
1 vehicle
2 casualties
FORD KA
View Details
Accident 201101TX20717
Serious
51.4890, -0.3748
2 vehicles
1 casualty
VAUXHALL AGILA
(2y)
Van / Goods 3.5 tonnes mgw or under
View Details
Accident 201101TX20728
Slight
51.4913, -0.4044
2 vehicles
1 casualty
VAUXHALL VECTRA
Car
View Details
Accident 2011610059411
Slight
51.5979, -3.0128
3 vehicles
1 casualty
PEUGEOT 206
FORD FIESTA
(3y)
RENAULT CLIO
(3y)
View Details
Accident 2011620212794
Slight
51.6758, -3.9011
3 vehicles
2 casualties
FORD FOCUS
Car
PEUGEOT 206
View Details
Accident 201101XH30697
Slight
51.4940, -0.4877
4 vehicles
2 casualties
MERCEDES VIANO
(2y)
LONDON TAXIS INT. TX4
PEUGEOT 307
MERCEDES E CLASS
View Details
Accident 201143R055111
Slight
51.4446, -0.8249
2 vehicles
1 casualty
MERCEDES SPRINTER
(1y)
VAUXHALL CORSA
View Details
Accident 201143R048111
Slight
51.5009, -0.5928
3 vehicles
1 casualty
HONDA CBR600F
FORD TRANSIT
SCANIA Model Missing
View Details
Accident 201101XH30712
Slight
51.4957, -0.4619
2 vehicles
2 casualties
PEUGEOT 207
Car
View Details
Accident 2011610063411
Slight
51.5658, -3.0364
2 vehicles
1 casualty
BMW 3 SERIES
(3y)
RENAULT CLIO
View Details
Accident 2011549802411
Slight
51.5262, -1.7258
2 vehicles
2 casualties
RENAULT CLIO
SUZUKI IGNIS
View Details