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 199901TX00847

Slight
51.4949, -0.4533
2 vehicles 1 casualty
RENAULT 19 Goods 7.5 tonnes mgw and over
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Accident 199943W206089

Slight
51.4604, -1.1722
1 vehicle 2 casualties
LAND ROVER DISCOVERY
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Accident 199943R277089

Slight
51.4992, -0.7139
5 vehicles 1 casualty
ROVER 600 SERIES (1y) Vehicle VOLVO C70 VOLKSWAGEN GOLF (3y) ROVER 200 SERIES (2y)
View Details

Accident 199962F029399

Slight
51.5331, -3.5668
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 199962J023799

Slight
51.6763, -3.9933
2 vehicles 1 casualty
Vehicle Van / Goods 3.5 tonnes mgw or under
View Details

Accident 1999610105999

Slight
51.6022, -2.8973
2 vehicles 1 casualty
VAUXHALL CAVALIER FIAT COUPE (1y)
View Details

Accident 199943W202089

Slight
51.4563, -1.3519
1 vehicle 1 casualty
YAMAHA FZS 600
View Details

Accident 199962F029299

Slight
51.5151, -3.5038
2 vehicles 1 casualty
Van / Goods 3.5 tonnes mgw or under Vehicle
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Accident 199954MA07499

Serious
51.5585, -1.9118
1 vehicle 9 casualties
Minibus (8-16 passenger seats)
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Accident 199943R354089

Slight
51.4875, -0.5577
3 vehicles 2 casualties
HYUNDAI S-COUPE FORD FIESTA Vehicle
View Details

Accident 199943R241089

Slight
51.4932, -0.5136
3 vehicles 1 casualty
MAN Model Missing VOLKSWAGEN GOLF VOLKSWAGEN GOLF
View Details

Accident 199901TX00827

Slight
51.4933, -0.4244
2 vehicles 1 casualty
KAWASAKI Z550 Goods over 3.5t. and under 7.5t
View Details

Accident 199962B039799

Slight
51.5101, -3.4338
2 vehicles 2 casualties
Vehicle Vehicle
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Accident 199901TX00822

Serious
51.4957, -0.4586
3 vehicles 1 casualty
VOLVO Model Missing (3y) VAUXHALL VECTRA Goods 7.5 tonnes mgw and over
View Details

Accident 1999610105899

Slight
51.6017, -2.9755
3 vehicles 2 casualties
FORD ORION PEUGEOT 306 VAUXHALL VECTRA (1y)
View Details

Accident 199943R217089

Slight
51.4939, -0.5068
2 vehicles 5 casualties
MERCEDES Model Missing (4y) Vehicle
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Accident 199954MB07399

Slight
51.4862, -1.5695
2 vehicles 2 casualties
TOYOTA CELICA SCANIA Model Missing (2y)
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Accident 199962G025899

Slight
51.5829, -3.7637
2 vehicles 1 casualty
FORD ESCORT FORD TRANSIT
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Accident 199943W158089

Slight
51.4559, -1.2944
2 vehicles 1 casualty
VAUXHALL VECTRA (2y) JAGUAR XK SERIES (3y)
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Accident 199943R089089

Slight
51.4385, -0.8368
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over FORD ESCORT
View Details