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 2021622100350

Slight
51.5110, -3.4250
1 vehicle 1 casualty
BMW 3 SERIES
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Accident 2021622100354

Slight
51.5328, -3.2251
3 vehicles 2 casualties
VOLVO MODEL MISSING FORD FIESTA BMW 1 SERIES
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Accident 2021430203171

Slight
51.5111, -0.6533
2 vehicles 2 casualties
DAF TRUCKS MODEL MISSING FORD TRANSIT
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Accident 2021430201830

Slight
51.5037, -0.6170
2 vehicles 1 casualty
Taxi/Private hire car Car
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Accident 2021430199162

Slight
51.4528, -1.3168
2 vehicles 1 casualty
KIA SPORTAGE VOLKSWAGEN CRAFTER (2y)
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Accident 2021430198576

Slight
51.4931, -0.5272
1 vehicle 5 casualties
PEUGEOT 206
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Accident 2021430198267

Slight
51.4551, -1.3408
1 vehicle 1 casualty
KIA SOUL
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Accident 2021622100363

Slight
51.6440, -3.8449
2 vehicles 2 casualties
Car HONDA CIVIC
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Accident 2021430195752

Fatal
51.5020, -0.6072
2 vehicles 1 casualty
HONDA MODEL MISSING LAND ROVER DISCOVERY
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Accident 2021430192257

Slight
51.4920, -0.5400
2 vehicles 1 casualty
MINI COOPER MERCEDES SPRINTER
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Accident 2021010305501

Serious
51.4906, -0.3652
1 vehicle 3 casualties
BMW 5 SERIES (3y)
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Accident 2021430188219

Slight
51.4383, -1.0656
2 vehicles 2 casualties
VOLKSWAGEN GOLF Car
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Accident 2021430184422

Slight
51.4882, -0.7510
2 vehicles 1 casualty
Car SCANIA MODEL MISSING
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Accident 2021010304666

Slight
51.4896, -0.3983
2 vehicles 1 casualty
VAUXHALL CORSA TOYOTA PRIUS
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Accident 2021430183803

Slight
51.4523, -1.3089
2 vehicles 1 casualty
MERCEDES C CLASS LAND ROVER RANGE ROVER
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Accident 202163A022721

Slight
51.7452, -4.0654
2 vehicles 1 casualty
Motorcycle over 125cc and up to 500cc FORD KA+ (2y)
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Accident 2021010303752

Slight
51.4954, -0.4532
2 vehicles 1 casualty
TOYOTA AYGO VAUXHALL ASTRA
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Accident 2021543771021

Slight
51.5189, -2.2625
1 vehicle 3 casualties
SKODA OCTAVIA (1y)
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Accident 2021430170053

Slight
51.4910, -0.5412
2 vehicles 1 casualty
VAUXHALL INSIGNIA VOLVO MODEL MISSING (3y)
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Accident 2021430169459

Slight
51.5120, -0.6571
3 vehicles 1 casualty
Car Goods 7.5 tonnes mgw and over Goods 7.5 tonnes mgw and over
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