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 200343W096053

Slight
51.4518, -0.8069
1 vehicle 3 casualties
VOLKSWAGEN POLO
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Accident 200354MA04303

Slight
51.5134, -2.1383
1 vehicle 1 casualty
PEUGEOT 306 (3y)
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Accident 200354MA03803

Slight
51.5471, -1.9576
1 vehicle 1 casualty
PEUGEOT 306
View Details

Accident 200343W473053

Slight
51.4740, -0.7683
1 vehicle 2 casualties
Vehicle
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Accident 2003610040103

Slight
51.5947, -3.0214
2 vehicles 2 casualties
FIAT PUNTO VAUXHALL ASTRA
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Accident 200343W533043

Slight
51.4989, -0.7259
3 vehicles 2 casualties
MAZDA MX-6 SEAT TOLEDO (3y) LEXUS IS200
View Details

Accident 200301TE00061

Slight
51.4955, -0.4633
2 vehicles 1 casualty
MERCEDES C CLASS Van / Goods 3.5 tonnes mgw or under
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Accident 200343W524043

Slight
51.5021, -0.6101
2 vehicles 2 casualties
FIAT STILO (1y) PEUGEOT 206
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Accident 200301TX00420

Slight
51.4901, -0.3999
2 vehicles 1 casualty
Vehicle Van / Goods 3.5 tonnes mgw or under
View Details

Accident 200354MB03603

Slight
51.5405, -1.8052
1 vehicle 2 casualties
HONDA ACCORD
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Accident 200354MB03703

Slight
51.5408, -1.9827
3 vehicles 1 casualty
Vehicle FORD MONDEO Vehicle
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Accident 200354MA03503

Slight
51.5026, -1.5902
1 vehicle 1 casualty
FORD MONDEO
View Details

Accident 2003520074136

Slight
51.5023, -2.3508
2 vehicles 1 casualty
VOLKSWAGEN PASSAT Vehicle
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Accident 200343W452043

Slight
51.4204, -0.9081
1 vehicle 1 casualty
CITROEN AX
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Accident 200354MA03403

Slight
51.5590, -1.9032
1 vehicle 1 casualty
Vehicle
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Accident 200343W592043

Slight
51.4850, -1.5647
1 vehicle 1 casualty
VAUXHALL VECTRA
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Accident 200343W505043

Slight
51.5043, -0.6223
3 vehicles 1 casualty
Goods 7.5 tonnes mgw and over MERCEDES E CLASS ISUZU TRUCKS NQR
View Details

Accident 200301TE00059

Serious
51.4927, -0.4163
5 vehicles 5 casualties
VAUXHALL VECTRA VOLKSWAGEN GOLF (4y) PEUGEOT 306 TOYOTA AVENSIS ROVER 600 SERIES (3y)
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Accident 200343W402043

Serious
51.4630, -1.2267
2 vehicles 2 casualties
Van / Goods 3.5 tonnes mgw or under FORD ESCORT (3y)
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Accident 200301ID00032

Slight
51.4807, -0.4525
1 vehicle 1 casualty
SUZUKI GSXR 750 (4y)
View Details