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 200643R187096

Slight
51.5021, -0.6073
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over DAEWOO LANOS
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Accident 200643N257096

Slight
51.4932, -0.5203
2 vehicles 1 casualty
Car Car
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Accident 200654MB07906

Slight
51.5259, -1.7151
2 vehicles 2 casualties
Goods 7.5 tonnes mgw and over KIA PICANTO (1y)
View Details

Accident 2006620158570

Serious
51.6165, -3.8124
7 vehicles 5 casualties
MAZDA 3 (1y) VAUXHALL AGILA (1y) FORD KA VOLVO S40 VOLVO S40 (4y) RENAULT CLIO VOLKSWAGEN GOLF
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Accident 2006610076206

Slight
51.5563, -3.0499
2 vehicles 1 casualty
VOLVO Model Missing (3y) RENAULT 5
View Details

Accident 200643W210096

Serious
51.4416, -0.8302
2 vehicles 1 casualty
Car Motorcycle over 500cc
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Accident 200654MB08006

Slight
51.5421, -1.8382
3 vehicles 2 casualties
SCANIA Model Missing (3y) FIAT PUNTO RENAULT MEGANE (1y)
View Details

Accident 200643R177096

Slight
51.4932, -0.5262
4 vehicles 1 casualty
DAF TRUCKS FA 65CF (4y) SEAT ALTEA (2y) FORD PUMA VOLKSWAGEN GOLF (4y)
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Accident 2006520116815

Slight
51.5016, -2.3413
1 vehicle 1 casualty
Car
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Accident 200654MB07806

Slight
51.5087, -1.6124
2 vehicles 1 casualty
TOYOTA AVENSIS (4y) SCANIA Model Missing
View Details

Accident 200601XH30577

Slight
51.4928, -0.4169
2 vehicles 1 casualty
Car Car
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Accident 200601XH30537

Slight
51.4940, -0.4834
2 vehicles 1 casualty
Van / Goods 3.5 tonnes mgw or under FORD MONDEO (1y)
View Details

Accident 200643R204096

Slight
51.5024, -0.6157
2 vehicles 2 casualties
FORD FIESTA (4y) AUDI TT (3y)
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Accident 2006610080806

Slight
51.6044, -2.9837
2 vehicles 2 casualties
Goods 7.5 tonnes mgw and over SEAT IBIZA (3y)
View Details

Accident 200643N238096

Slight
51.4974, -0.4967
1 vehicle 1 casualty
SCANIA Model Missing (1y)
View Details

Accident 200601TX20590

Slight
51.4921, -0.4081
3 vehicles 1 casualty
RENAULT Model Missing (1y) Car VOLKSWAGEN POLO (2y)
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Accident 200601XH30536

Slight
51.4953, -0.4682
2 vehicles 2 casualties
MERCEDES SLK CLASS Car
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Accident 200643R189096

Slight
51.4913, -0.7422
2 vehicles 1 casualty
PEUGEOT 206 Car
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Accident 2006620157893

Slight
51.6754, -3.9957
3 vehicles 2 casualties
Car Car PEUGEOT 405
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Accident 200643W153096

Slight
51.4592, -1.5002
1 vehicle 1 casualty
RENAULT LAGUNA
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