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 200254CY57202

Serious
51.5157, -2.1229
1 vehicle 1 casualty
HONDA Model Missing
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Accident 200243W142102

Slight
51.4889, -0.5526
2 vehicles 1 casualty
ROVER 200 SERIES (4y) LONDON TAXIS INT. TX1
View Details

Accident 2002610123802

Slight
51.5977, -2.9657
2 vehicles 1 casualty
SUZUKI VITARA VAUXHALL CORSA
View Details

Accident 200254MB09802

Slight
51.5441, -1.8496
9 vehicles 2 casualties
Vehicle RENAULT LAGUNA Vehicle Vehicle Vehicle Vehicle ROVER 45 ROVER METRO Vehicle
View Details

Accident 200201TX00976

Slight
51.4943, -0.4785
3 vehicles 2 casualties
Vehicle RENAULT LAGUNA VAUXHALL ASTRA (1y)
View Details

Accident 200201TX01000

Slight
51.4879, -0.3826
1 vehicle 1 casualty
BMW 5 SERIES
View Details

Accident 2002610123702

Slight
51.6021, -2.9268
4 vehicles 3 casualties
Van / Goods 3.5 tonnes mgw or under VAUXHALL VECTRA (1y) TOYOTA AVENSIS FORD MONDEO
View Details

Accident 200254MA09702

Serious
51.5120, -2.2896
4 vehicles 3 casualties
RENAULT LAGUNA (1y) SAAB 9-5 BMW Z3 FORD ESCORT (1y)
View Details

Accident 200254MA09602

Slight
51.5143, -2.1298
5 vehicles 1 casualty
Goods 7.5 tonnes mgw and over Vehicle BMW 3 SERIES (3y) NISSAN CABSTAR Van / Goods 3.5 tonnes mgw or under
View Details

Accident 2002620069048

Slight
51.5258, -3.2489
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over VAUXHALL CAVALIER
View Details

Accident 2002610122602

Slight
51.5869, -2.8037
2 vehicles 1 casualty
Vehicle FORD FIESTA
View Details

Accident 200243W171102

Serious
51.4431, -0.8269
2 vehicles 1 casualty
MERCEDES S CLASS (4y) HONDA Model Missing
View Details

Accident 200243W325102

Slight
51.4247, -0.8862
2 vehicles 1 casualty
Vehicle VAUXHALL OMEGA
View Details

Accident 2002610121102

Slight
51.6041, -2.9924
2 vehicles 1 casualty
VOLKSWAGEN GOLF VAUXHALL VECTRA
View Details

Accident 200201TX01013

Serious
51.4944, -0.4883
1 vehicle 4 casualties
BMW 3 SERIES
View Details

Accident 2002610120802

Slight
51.5925, -2.8554
3 vehicles 3 casualties
MERCEDES C CLASS FIAT PUNTO FORD FOCUS (3y)
View Details

Accident 200243W693102

Serious
51.4204, -0.9209
1 vehicle 1 casualty
ROVER 800 SERIES
View Details

Accident 200254MA09402

Serious
51.5514, -1.8690
1 vehicle 2 casualties
FORD ESCORT
View Details

Accident 200254MA09202

Slight
51.5147, -2.1248
8 vehicles 2 casualties
Vehicle MERCEDES S CLASS VAUXHALL CAVALIER (3y) MAZDA 626 (2y) FORD MONDEO CITROEN C5 Vehicle Vehicle
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Accident 200201ID00075

Slight
51.4819, -0.4534
1 vehicle 1 casualty
DAEWOO ESPERO
View Details