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 2009620192003

Slight
51.5915, -3.7711
2 vehicles 1 casualty
VAUXHALL ASTRA (1y) VAUXHALL VECTRA (1y)
View Details

Accident 200943R109079

Slight
51.4943, -0.5044
2 vehicles 2 casualties
AUDI A4 HYUNDAI COUPE (1y)
View Details

Accident 200901XH30488

Slight
51.4958, -0.4622
4 vehicles 1 casualty
Car VAUXHALL ASTRA (3y) RENAULT CLIO MAN Model Missing (4y)
View Details

Accident 2009610039809

Slight
51.5512, -3.0694
2 vehicles 1 casualty
JAGUAR XF SERIES BMW 1 SERIES (1y)
View Details

Accident 2009520906170

Slight
51.5618, -2.5624
3 vehicles 1 casualty
RENAULT MASTER (1y) TOYOTA HILUX DAF TRUCKS FTG 85CF
View Details

Accident 2009610040509

Slight
51.5928, -2.8566
2 vehicles 2 casualties
RENAULT MEGANE Goods 7.5 tonnes mgw and over
View Details

Accident 200901TX20391

Slight
51.4912, -0.2983
3 vehicles 1 casualty
VAUXHALL COMBO (3y) RENAULT MEGANE VAUXHALL TIGRA (2y)
View Details

Accident 2009620191497

Slight
51.5192, -3.6497
1 vehicle 2 casualties
CITROEN SAXO
View Details

Accident 200954MB02609

Slight
51.5069, -1.6017
1 vehicle 1 casualty
FORD FIESTA
View Details

Accident 2009620191466

Slight
51.5239, -3.5214
8 vehicles 13 casualties
RENAULT MEGANE (3y) TOYOTA AVENSIS VOLKSWAGEN POLO VAUXHALL COMBO KIA SORENTO (3y) TOYOTA RAV4 BMW 3 SERIES MINI ONE
View Details

Accident 2009620191672

Slight
51.5271, -3.7216
2 vehicles 2 casualties
MERCEDES Model Missing NISSAN SUNNY
View Details

Accident 200943R131079

Slight
51.4945, -0.4913
2 vehicles 1 casualty
YAMAHA YZF R6 (1y) VOLKSWAGEN TIGUAN
View Details

Accident 200901XH30415

Slight
51.4940, -0.4836
2 vehicles 1 casualty
MG MGF VAUXHALL VECTRA (1y)
View Details

Accident 200943W008079

Slight
51.4218, -1.0244
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over CITROEN SAXO
View Details

Accident 200943R281079

Slight
51.4930, -0.5247
2 vehicles 1 casualty
BMW 3 SERIES FORD FIESTA
View Details

Accident 200943R059079

Slight
51.5105, -0.6509
2 vehicles 1 casualty
IVECO DAILY (3y) IVECO DAILY (3y)
View Details

Accident 200901TX20412

Slight
51.4895, -0.3718
2 vehicles 1 casualty
RENAULT LAGUNA Van / Goods 3.5 tonnes mgw or under
View Details

Accident 200943R042079

Slight
51.4930, -0.5176
3 vehicles 1 casualty
Car Car RENAULT CLIO
View Details

Accident 2009610041709

Slight
51.5686, -3.0342
4 vehicles 3 casualties
HONDA CIVIC (2y) RENAULT MEGANE PEUGEOT 405 VOLKSWAGEN PASSAT
View Details

Accident 200901XH30451

Slight
51.4957, -0.4619
3 vehicles 1 casualty
VOLKSWAGEN PASSAT FORD FOCUS BMW 3 SERIES
View Details