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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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 199401TC00084

Slight
2 vehicles 1 casualty
FIAT UNO VOLVO 240
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Accident 1994610014594

Slight
1 vehicle 1 casualty
FORD SIERRA
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Accident 199401TC00083

Slight
3 vehicles 1 casualty
MERCEDES 200 FIAT PANDA (3y) VAUXHALL ASTRA (1y)
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Accident 19945294M0523

Slight
2 vehicles 1 casualty
FORD SIERRA (2y) SKODA 105
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Accident 199462E004694

Slight
2 vehicles 2 casualties
PEUGEOT 405 (1y) ROVER MAESTRO (1y)
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Accident 199401TC00074

Slight
2 vehicles 1 casualty
PEUGEOT 505 FORD FIESTA
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Accident 199462B050494

Serious
3 vehicles 3 casualties
FORD ESCORT FORD ESCORT FORD ESCORT (1y)
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Accident 199401TC00080

Slight
2 vehicles 1 casualty
PEUGEOT 405 (3y) FORD FIESTA
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Accident 199443R005024

Slight
2 vehicles 2 casualties
FORD FIESTA (1y) CITROEN BX
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Accident 199401TC00072

Slight
2 vehicles 1 casualty
FORD TRANSIT (4y) RENAULT 19 (4y)
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Accident 199443R126024

Slight
2 vehicles 6 casualties
Vehicle Bus or coach (17 or more pass seats)
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Accident 1994610013194

Serious
1 vehicle 1 casualty
VAUXHALL CAVALIER (4y)
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Accident 199401XH00116

Slight
2 vehicles 2 casualties
BMW 3 SERIES FORD ESCORT
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Accident 1994610010594

Slight
1 vehicle 1 casualty
AUSTIN METRO
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Accident 199454MB00084

Slight
1 vehicle 5 casualties
FORD ESCORT
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Accident 199462E003894

Slight
1 vehicle 1 casualty
FORD GRANADA
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Accident 199401TC00065

Slight
2 vehicles 1 casualty
KAWASAKI EX305 CARBODIES TAXI
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Accident 199454MB00074

Slight
1 vehicle 1 casualty
FORD TRANSIT
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Accident 199443R135014

Slight
1 vehicle 1 casualty
AUSTIN MONTEGO
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Accident 199454MA00064

Slight
2 vehicles 1 casualty
Vehicle MG MIDGET
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