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 201143R230121

Slight
51.4932, -0.5261
3 vehicles 1 casualty
DAF TRUCKS FA 65CF FORD MONDEO (2y) CITROEN DS3 (1y)
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Accident 201143W167121

Slight
51.4352, -1.0572
2 vehicles 1 casualty
BMW 3 SERIES VOLKSWAGEN POLO
View Details

Accident 201143R209121

Slight
51.4935, -0.5104
5 vehicles 2 casualties
Car VAUXHALL ZAFIRA VAUXHALL ASTRA MERCEDES VITO (4y) FORD FOCUS
View Details

Accident 201101TX20798

Slight
51.4936, -0.3276
2 vehicles 1 casualty
FORD FOCUS LEXUS RX300
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Accident 201143R150121

Slight
51.4485, -0.8153
1 vehicle 1 casualty
RENAULT CLIO (4y)
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Accident 2011620213734

Slight
51.6754, -3.9805
4 vehicles 2 casualties
RENAULT MEGANE (1y) MERCEDES C CLASS MINI COOPER (3y) HYUNDAI I10 (2y)
View Details

Accident 2011620213711

Slight
51.6771, -3.9080
4 vehicles 2 casualties
VOLKSWAGEN GOLF RENAULT CLIO Vehicle SEAT LEON
View Details

Accident 201143R219121

Slight
51.4932, -0.5232
3 vehicles 2 casualties
PEUGEOT 206 VAUXHALL CORSA JAGUAR S TYPE
View Details

Accident 201143W151121

Serious
51.4536, -1.3021
1 vehicle 1 casualty
Motorcycle over 500cc
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Accident 201143W156121

Slight
51.4119, -0.9620
2 vehicles 3 casualties
RENAULT CLIO PEUGEOT 206
View Details

Accident 201101XH30787

Slight
51.4958, -0.4602
4 vehicles 3 casualties
Car BMW 3 SERIES (1y) RENAULT MEGANE (1y) SKODA FABIA
View Details

Accident 2011620213709

Slight
51.5137, -3.3705
3 vehicles 2 casualties
VAUXHALL VECTRA HONDA CIVIC TOYOTA YARIS
View Details

Accident 201101TX20797

Slight
51.4899, -0.3091
3 vehicles 1 casualty
VAUXHALL ZAFIRA VOLKSWAGEN CRAFTER (4y) VAUXHALL ZAFIRA
View Details

Accident 201143R278121

Slight
51.5189, -0.6548
2 vehicles 3 casualties
SKODA FABIA Car
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Accident 201163AC45311

Slight
51.7139, -4.0651
1 vehicle 1 casualty
ROVER 25
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Accident 201143N281121

Slight
51.4976, -0.4967
2 vehicles 1 casualty
MAN Model Missing FORD FIESTA
View Details

Accident 201143W230121

Slight
51.4543, -1.3761
6 vehicles 2 casualties
FORD FOCUS Car VOLKSWAGEN PASSAT CITROEN XSARA PEUGEOT PARTNER (4y) Car
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Accident 2011521107861

Slight
51.4987, -2.3751
2 vehicles 1 casualty
Car Goods 7.5 tonnes mgw and over
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Accident 201143R070121

Serious
51.4716, -0.7701
2 vehicles 2 casualties
Car FORD MONDEO (1y)
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Accident 201154A904311

Slight
51.5561, -1.8856
1 vehicle 1 casualty
DAF TRUCKS Model Missing (3y)
View Details