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 2021430257794

Slight
51.4550, -1.0843
2 vehicles 5 casualties
MAZDA 2 NISSAN QASHQAI (4y)
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Accident 2021430250033

Slight
51.4883, -0.5757
3 vehicles 2 casualties
SKODA KAROQ (3y) Goods vehicle - unknown weight VAUXHALL MOVANO (1y)
View Details

Accident 2021622100417

Serious
51.5309, -3.2312
1 vehicle 2 casualties
VAUXHALL ASTRA
View Details

Accident 2021010311697

Serious
51.4916, -0.4069
4 vehicles 2 casualties
VAUXHALL ASTRA MERCEDES CLS CLASS TOYOTA AYGO FORD FOCUS (3y)
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Accident 2021545352421

Slight
51.5162, -1.6499
2 vehicles 1 casualty
RENAULT MASTER (4y) MINI COOPER (3y)
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Accident 2021610033521

Slight
51.5872, -2.8380
2 vehicles 1 casualty
Car Car
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Accident 2021522102830

Slight
51.5689, -2.6586
2 vehicles 1 casualty
HONDA CRV Car
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Accident 2021610028921

Serious
51.5867, -2.8205
2 vehicles 2 casualties
Car Car
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Accident 2021010310381

Slight
51.4953, -0.4464
2 vehicles 1 casualty
VAUXHALL CORSA Car
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Accident 2021622100391

Slight
51.6766, -3.9059
4 vehicles 1 casualty
DACIA SANDERO NISSAN QASHQAI Car Car
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Accident 2021545041621

Slight
51.5270, -1.6873
1 vehicle 4 casualties
Car
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Accident 2021622100385

Slight
51.5241, -3.5219
2 vehicles 2 casualties
SKODA OCTAVIA (3y) IVECO EUROCARGO (4y)
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Accident 2021522102667

Slight
51.5294, -2.5315
2 vehicles 1 casualty
FIAT 500 (1y) Car
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Accident 2021430220998

Slight
51.4148, -0.9793
2 vehicles 1 casualty
FORD TRANSIT CONNECT MERCEDES SPRINTER (1y)
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Accident 2021610018921

Slight
51.6047, -2.9851
2 vehicles 1 casualty
Van / Goods 3.5 tonnes mgw or under Van / Goods 3.5 tonnes mgw or under
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Accident 2021622100737

Serious
51.5274, -3.6283
2 vehicles 1 casualty
VOLKSWAGEN POLO TOYOTA AVENSIS
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Accident 2021430213016

Slight
51.4930, -0.5361
3 vehicles 4 casualties
VAUXHALL VIVARO (4y) FORD TRANSIT MERCEDES E CLASS (4y)
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Accident 2021610043821

Slight
51.5438, -3.1078
1 vehicle 1 casualty
Car
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Accident 2021622100438

Slight
51.6626, -3.8793
2 vehicles 1 casualty
VAUXHALL MOVANO VOLVO XC40 (1y)
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Accident 2021430206727

Fatal
51.4629, -1.2422
2 vehicles 1 casualty
VAUXHALL ASTRA JAGUAR XF SERIES
View Details