Crash View

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.

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Live M4 closures today
All Severities Fatal Serious Slight
Fatal
724
Serious
4,059
Casualties
46,338
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

Hillingdon

1,815 recorded here

Wiltshire

1,801 recorded here

West Berkshire

1,791 recorded here

Slough

1,787 recorded here

South Gloucestershire

1,501 recorded here

Newport

1,382 recorded here

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Hounslow

571 recorded along the M4

Hillingdon

428 recorded along the M4

Newport (Newport)

353 recorded along the M4

Slough

288 recorded along the M4

Port Talbot

205 recorded along the M4

Cardiff

93 recorded along the M4

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Accidents on the M4

Fatal
Serious
Slight
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Recent Accidents

Showing 20 of 29,200 accidents

Accident 2012621200103

Slight
51.5155, -3.6686
2 vehicles 2 casualties
AUDI A4 AUDI A3
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Accident 2012621200064

Slight
51.6782, -3.9154
3 vehicles 1 casualty
PEUGEOT 306 FORD FOCUS (3y) HONDA CIVIC
View Details

Accident 201243R062042

Slight
51.5000, -0.5910
3 vehicles 1 casualty
VOLKSWAGEN GOLF MAZDA 3 VAUXHALL ASTRA
View Details

Accident 201201XH30257

Slight
51.4958, -0.4625
2 vehicles 2 casualties
PEUGEOT 206 VOLKSWAGEN SHARAN
View Details

Accident 201201XH30221

Slight
51.4947, -0.4423
2 vehicles 1 casualty
VOLKSWAGEN PASSAT HONDA CBR1000RR (3y)
View Details

Accident 201243N101042

Slight
51.4968, -0.4977
2 vehicles 1 casualty
DAF TRUCKS Model Missing (4y) VOLKSWAGEN CADDY (2y)
View Details

Accident 201243R037042

Slight
51.4765, -0.7664
1 vehicle 3 casualties
FORD FOCUS
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Accident 2012521202327

Slight
51.5432, -2.5456
4 vehicles 1 casualty
DAF TRUCKS Model Missing (3y) FORD TRANSIT PEUGEOT 307 Car
View Details

Accident 201243R056042

Slight
51.4444, -0.8247
1 vehicle 1 casualty
FORD FIESTA
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Accident 201243W048042

Serious
51.4124, -0.9703
1 vehicle 2 casualties
HARLEY-DAVIDSON Model Missing
View Details

Accident 201243R036042

Slight
51.4956, -0.5856
3 vehicles 2 casualties
BMW 3 SERIES CHRYSLER Model Missing LAND ROVER FREELANDER
View Details

Accident 2012543044912

Slight
51.5143, -2.1206
2 vehicles 1 casualty
SKODA FABIA CITROEN C4
View Details

Accident 2012610018612

Slight
51.5971, -3.0139
2 vehicles 2 casualties
BMW 5 SERIES Car
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Accident 201243W012042

Serious
51.4627, -1.2481
2 vehicles 1 casualty
VOLVO C70 MERCEDES Model Missing
View Details

Accident 201243W013042

Slight
51.4560, -1.0872
1 vehicle 1 casualty
PEUGEOT 206
View Details

Accident 2012610030012

Slight
51.5504, -3.0757
1 vehicle 2 casualties
Car
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Accident 2012621200147

Slight
51.5070, -3.3116
2 vehicles 1 casualty
Car VOLKSWAGEN PASSAT (2y)
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Accident 201243R015042

Slight
51.5019, -0.6115
4 vehicles 1 casualty
Car MERCEDES C CLASS HONDA ACCORD Car
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Accident 201243N232042

Slight
51.5104, -0.6706
2 vehicles 3 casualties
Car PEUGEOT 207 (4y)
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Accident 201201XH30207

Slight
51.4949, -0.4539
2 vehicles 1 casualty
VOLKSWAGEN POLO (4y) Car
View Details