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 201343R073063

Slight
51.4885, -0.5549
3 vehicles 1 casualty
BMW 3 SERIES (3y) AUDI A3 (4y) BMW 3 SERIES (2y)
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Accident 201343R077063

Slight
51.5090, -0.6441
2 vehicles 1 casualty
FIAT PUNTO (3y) AUDI A4 (3y)
View Details

Accident 2013545385413

Slight
51.5570, -1.9161
1 vehicle 2 casualties
Car
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Accident 2013521303946

Slight
51.5401, -2.5425
8 vehicles 4 casualties
PORSCHE BOXSTER FORD KA VOLKSWAGEN PASSAT VOLKSWAGEN PASSAT BMW 3 SERIES NISSAN MICRA Car FORD MONDEO (1y)
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Accident 201343W063063

Slight
51.4697, -1.5210
1 vehicle 1 casualty
VAUXHALL CORSA (1y)
View Details

Accident 2013621300970

Slight
51.5061, -3.3094
2 vehicles 1 casualty
HYUNDAI COUPE (4y) FORD S-MAX (1y)
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Accident 201343R110063

Slight
51.4932, -0.5232
3 vehicles 3 casualties
FORD TRANSIT (1y) HONDA FR-V VAUXHALL ASTRA
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Accident 2013621300943

Serious
51.5331, -3.5991
2 vehicles 1 casualty
MERCEDES SPRINTER Goods 7.5 tonnes mgw and over
View Details

Accident 201301TX20287

Slight
51.4901, -0.2796
3 vehicles 1 casualty
FORD TRANSIT MERCEDES SL CLASS (2y) Taxi/Private hire car
View Details

Accident 2013545308613

Slight
51.5147, -2.1027
2 vehicles 1 casualty
FORD GALAXY (1y) SCANIA Model Missing
View Details

Accident 2013521303752

Slight
51.5355, -2.5380
2 vehicles 2 casualties
SCANIA Model Missing MITSUBISHI COLT
View Details

Accident 201343W047063

Slight
51.4626, -1.2337
1 vehicle 3 casualties
FORD FOCUS
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Accident 2013621300983

Slight
51.5068, -3.3118
2 vehicles 1 casualty
KAWASAKI ZX600 PEUGEOT 308 (4y)
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Accident 201343W018063

Slight
51.4601, -1.1103
2 vehicles 1 casualty
MERCEDES SPRINTER (1y) VAUXHALL ASTRA
View Details

Accident 201343R029063

Slight
51.5072, -0.6358
2 vehicles 1 casualty
Van / Goods 3.5 tonnes mgw or under HONDA JAZZ
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Accident 201343W054063

Slight
51.4601, -1.1663
1 vehicle 1 casualty
VOLKSWAGEN GOLF (4y)
View Details

Accident 201301TX20271

Slight
51.4914, -0.3014
2 vehicles 1 casualty
JAGUAR X TYPE Motorcycle over 125cc and up to 500cc
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Accident 2013610054213

Slight
51.5910, -2.8512
1 vehicle 1 casualty
Motorcycle over 500cc (2y)
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Accident 201343R063063

Slight
51.4994, -0.7175
2 vehicles 2 casualties
RENAULT CLIO PEUGEOT 107 (1y)
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Accident 201301TX20274

Slight
51.4914, -0.3016
2 vehicles 1 casualty
AUDI A3 (1y) LEXUS IS250 (3y)
View Details