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 2017010052481

Slight
51.4933, -0.4225
3 vehicles 1 casualty
MERCEDES Model Missing (4y) Van / Goods 3.5 tonnes mgw or under (2y) TOYOTA PRIUS
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Accident 2017430237803

Slight
51.4933, -0.5232
4 vehicles 5 casualties
Van / Goods 3.5 tonnes mgw or under FORD TRANSIT MINI COOPER BMW X5 (3y)
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Accident 2017621800701

Fatal
51.5333, -3.2232
3 vehicles 2 casualties
FORD FOCUS LAND ROVER FREELANDER VAUXHALL ZAFIRA
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Accident 2017610027817

Slight
51.5864, -2.8349
1 vehicle 1 casualty
Motorcycle over 125cc and up to 500cc
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Accident 2017010052210

Slight
51.4919, -0.3233
3 vehicles 1 casualty
TOYOTA PRIUS LAND ROVER FREELANDER BMW 1 SERIES
View Details

Accident 2017010052188

Slight
51.4940, -0.4310
2 vehicles 1 casualty
FORD FIESTA TOYOTA YARIS
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Accident 2017430240810

Slight
51.4945, -0.5046
3 vehicles 1 casualty
MERCEDES S CLASS HONDA CIVIC AUDI A4
View Details

Accident 2017621701170

Slight
51.5143, -3.4978
1 vehicle 1 casualty
RENAULT CLIO
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Accident 2017430230368

Slight
51.5067, -0.6865
3 vehicles 1 casualty
ALFA ROMEO 156 VOLKSWAGEN CRAFTER FORD TRANSIT CONNECT
View Details

Accident 2017010051311

Slight
51.4936, -0.4293
2 vehicles 2 casualties
MERCEDES B CLASS CITROEN C3 (4y)
View Details

Accident 2017621701158

Slight
51.5161, -3.6628
1 vehicle 1 casualty
SAAB 9-3
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Accident 2017521706392

Slight
51.4981, -2.3843
1 vehicle 2 casualties
TOYOTA YARIS (1y)
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Accident 2017430234334

Serious
51.4518, -1.0780
1 vehicle 1 casualty
HARLEY-DAVIDSON Model Missing
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Accident 2017621701152

Slight
51.6619, -3.8778
2 vehicles 1 casualty
CITROEN DS3 CITROEN C4 (1y)
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Accident 2017430229355

Slight
51.4512, -1.3940
3 vehicles 1 casualty
VOLKSWAGEN CRAFTER FORD TRANSIT CONNECT Goods vehicle - unknown weight
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Accident 2017521705620

Slight
51.5027, -2.3499
2 vehicles 1 casualty
Car FORD GALAXY (1y)
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Accident 2017010050236

Slight
51.4949, -0.4433
5 vehicles 1 casualty
CAETANO LEVANTE LONDON TAXIS INT. TX4 MINI COOPER LONDON TAXIS INT. TX4 MERCEDES C CLASS (3y)
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Accident 2017621701131

Slight
51.5314, -3.2303
4 vehicles 4 casualties
FORD MONDEO FORD KUGA RENAULT TRUCKS MASTER (3y) VOLKSWAGEN GOLF
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Accident 2017621701156

Slight
51.6772, -3.9470
3 vehicles 4 casualties
BMW 1 SERIES (1y) RENAULT SCENIC (3y) AUDI A1 (1y)
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Accident 2017430223291

Slight
51.4199, -0.9123
2 vehicles 1 casualty
AUDI A6 VOLKSWAGEN GOLF (3y)
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