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 200254MB11402

Slight
51.5465, -1.9648
3 vehicles 3 casualties
FORD FOCUS HONDA ACCORD (1y) CITROEN BERLINGO
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Accident 200243W546112

Slight
51.4893, -0.7472
3 vehicles 1 casualty
VOLVO S40 IVECO-FORD Model Missing VOLVO 440 (3y)
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Accident 200243W503112

Slight
51.4843, -1.5637
2 vehicles 2 casualties
FORD FIESTA (1y) RENAULT Model Missing (2y)
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Accident 2002520158135

Slight
51.5636, -2.5661
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 2002620072164

Slight
51.5270, -3.2417
4 vehicles 1 casualty
Vehicle VOLKSWAGEN GOLF (1y) Van / Goods 3.5 tonnes mgw or under ROVER 200 SERIES
View Details

Accident 2002620073280

Slight
51.6775, -3.9162
2 vehicles 1 casualty
ROVER 200 SERIES VOLKSWAGEN POLO
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Accident 200201TX01162

Slight
51.4957, -0.4616
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over MERCEDES C CLASS (4y)
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Accident 200254MA11302

Fatal
51.5360, -1.9990
1 vehicle 4 casualties
MERCEDES ML CLASS
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Accident 200243W506112

Slight
51.4608, -1.1506
3 vehicles 1 casualty
SKODA OCTAVIA (3y) LEYLAND DAF FA 45 RENAULT LAGUNA
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Accident 2002520156736

Slight
51.5061, -2.4904
2 vehicles 1 casualty
IVECO Model Missing (2y) SCANIA Model Missing
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Accident 2002620075327

Slight
51.7064, -4.0532
2 vehicles 2 casualties
NISSAN MICRA (4y) RENAULT MEGANE
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Accident 200201TX01106

Serious
51.4959, -0.4576
3 vehicles 5 casualties
TOYOTA MR2 MERCEDES E CLASS (4y) FORD FOCUS
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Accident 2002620071741

Slight
51.5787, -3.7576
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over Vehicle
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Accident 200254MB11202

Slight
51.5137, -2.1369
4 vehicles 3 casualties
PEUGEOT 406 BMW 3 SERIES Vehicle Vehicle
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Accident 200201TX01189

Slight
51.4953, -0.4471
2 vehicles 1 casualty
JEEP CHEROKEE ROVER 400 SERIES (4y)
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Accident 200243W448112

Slight
51.4938, -0.4987
1 vehicle 1 casualty
NISSAN PRIMERA (3y)
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Accident 200243W428112

Slight
51.4553, -1.3437
3 vehicles 2 casualties
Vehicle CITROEN XANTIA CITROEN ZX
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Accident 200254MA11102

Slight
51.5301, -1.7542
1 vehicle 2 casualties
SEAT TOLEDO (3y)
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Accident 200201TX01269

Slight
51.4879, -0.3826
2 vehicles 1 casualty
FORD GRANADA AUDI A3 (4y)
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Accident 200201TX01097

Slight
51.4953, -0.4469
2 vehicles 2 casualties
Vehicle LONDON TAXIS INT. TX1 (1y)
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