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 2004620109875

Serious
51.5058, -3.3142
3 vehicles 2 casualties
VAUXHALL ASTRA RENAULT KANGOO (2y) LDV 400 SERIES (2y)
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Accident 2004620109743

Slight
51.5430, -3.1371
2 vehicles 1 casualty
FORD TRANSIT (4y) Goods over 3.5t. and under 7.5t
View Details

Accident 2004610054604

Slight
51.5738, -3.0329
2 vehicles 1 casualty
RENAULT Model Missing DAF TRUCKS FT 85CF (1y)
View Details

Accident 200454MA05504

Slight
51.4984, -1.5846
1 vehicle 3 casualties
ROVER 200 SERIES
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Accident 2004530AI3770

Fatal
51.6137, -2.6506
1 vehicle 1 casualty
HONDA CG125B
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Accident 200401TE00424

Slight
51.4914, -0.2948
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 200454MB04804

Slight
51.5345, -1.7742
1 vehicle 2 casualties
VAUXHALL VECTRA
View Details

Accident 200443W483054

Slight
51.4189, -0.9940
1 vehicle 1 casualty
MERCEDES 300
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Accident 200443W338054

Slight
51.4929, -0.5176
3 vehicles 1 casualty
Vehicle HONDA Model Missing PEUGEOT 406
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Accident 200401ID00039

Slight
51.4806, -0.4526
2 vehicles 1 casualty
CARBODIES TAXI MERCEDES E CLASS (2y)
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Accident 2004620109734

Slight
51.6495, -3.8497
2 vehicles 1 casualty
SKODA FABIA (2y) FIAT SEICENTO
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Accident 2004520064815

Slight
51.5046, -2.5009
1 vehicle 1 casualty
FORD KA
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Accident 2004610080204

Slight
51.5993, -2.9380
3 vehicles 2 casualties
SEAT LEON (3y) RENAULT CLIO VOLVO S80 (4y)
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Accident 200401TE00386

Slight
51.4956, -0.4494
2 vehicles 1 casualty
VOLKSWAGEN POLO (4y) FIAT STILO
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Accident 200443W225054

Slight
51.4298, -0.8571
2 vehicles 2 casualties
HONDA CIVIC AUDI 80
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Accident 2004610054104

Slight
51.6038, -2.9935
2 vehicles 1 casualty
AUDI A3 (1y) MERCEDES C CLASS (1y)
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Accident 200443W394054

Slight
51.5054, -0.6279
1 vehicle 2 casualties
BMW 3 SERIES
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Accident 200401TE00388

Slight
51.4948, -0.4531
2 vehicles 1 casualty
PEUGEOT 306 MERCEDES E CLASS
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Accident 200454MB04604

Slight
51.5102, -1.6181
1 vehicle 1 casualty
Vehicle
View Details

Accident 2004620111004

Slight
51.5334, -3.5729
1 vehicle 1 casualty
RENAULT 19
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