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 201243R032102

Slight
51.4869, -0.5601
2 vehicles 1 casualty
Car Motorcycle over 500cc (1y)
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Accident 2012621201122

Slight
51.6534, -3.8516
1 vehicle 1 casualty
PEUGEOT 206
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Accident 2012521206453

Slight
51.5015, -2.4614
2 vehicles 1 casualty
PEUGEOT 206 Car
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Accident 201243R248092

Slight
51.4890, -0.5781
1 vehicle 2 casualties
VAUXHALL ASTRA (4y)
View Details

Accident 201243R232092

Slight
51.4933, -0.5118
2 vehicles 1 casualty
Car MERCEDES Model Missing (4y)
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Accident 2012521206247

Slight
51.5192, -2.5227
2 vehicles 1 casualty
HONDA ACCORD Car
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Accident 201243W210092

Slight
51.4566, -1.3550
3 vehicles 2 casualties
Car Car Van / Goods 3.5 tonnes mgw or under
View Details

Accident 201243R154092

Slight
51.4979, -0.7270
1 vehicle 1 casualty
RENAULT KANGOO
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Accident 2012521206711

Slight
51.5210, -2.5238
2 vehicles 1 casualty
HYUNDAI I20 Goods 7.5 tonnes mgw and over
View Details

Accident 201201TX20591

Slight
51.4912, -0.2962
3 vehicles 4 casualties
FORD FOCUS MERCEDES VIANO (4y) MERCEDES VIANO (2y)
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Accident 2012521206419

Slight
51.5005, -2.4574
3 vehicles 1 casualty
FORD FOCUS Car SCANIA Model Missing (1y)
View Details

Accident 2012548410312

Slight
51.5397, -1.8216
2 vehicles 1 casualty
RENAULT TRUCKS Model Missing RENAULT Model Missing
View Details

Accident 2012621200975

Slight
51.5424, -3.1335
3 vehicles 1 casualty
FORD FIESTA FORD FIESTA FORD FIESTA
View Details

Accident 201243W146092

Slight
51.4334, -0.8514
3 vehicles 2 casualties
VAUXHALL VECTRA MERCEDES C CLASS VAUXHALL ASTRA
View Details

Accident 201243W128092

Slight
51.4626, -1.2437
1 vehicle 3 casualties
VAUXHALL ASTRA
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Accident 2012548339612

Slight
51.5577, -1.9146
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over FORD KA
View Details

Accident 201243W102092

Slight
51.4559, -1.3464
1 vehicle 2 casualties
MAZDA MX-5
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Accident 201243R127092

Slight
51.4867, -0.5688
1 vehicle 2 casualties
FORD ESCORT
View Details

Accident 201201TX20545

Slight
51.4912, -0.2968
3 vehicles 1 casualty
VAUXHALL ASTRA AUDI A6 (1y) ISUZU MODEL MISSING
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Accident 201243R091092

Slight
51.4500, -0.8117
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over VOLKSWAGEN JETTA (3y)
View Details