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 2021522102178

Slight
51.5081, -2.3075
1 vehicle 1 casualty
FORD FIESTA
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Accident 2021622100271

Slight
51.6437, -3.8446
2 vehicles 1 casualty
MITSUBISHI ASX SEAT ALTEA
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Accident 2021430159496

Slight
51.4828, -1.5581
1 vehicle 1 casualty
MERCEDES SPRINTER (4y)
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Accident 2021543240521

Slight
51.5396, -1.7930
1 vehicle 1 casualty
VOLVO MODEL MISSING
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Accident 2021430141269

Slight
51.4538, -1.4824
2 vehicles 1 casualty
Car Motorcycle over 500cc
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Accident 2021430140850

Slight
51.4774, -1.5467
2 vehicles 1 casualty
IVECO DAILY Motorcycle over 125cc and up to 500cc
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Accident 2021010299987

Slight
51.4931, -0.4198
5 vehicles 1 casualty
BMW 1 SERIES MINI ONE Car FORD FUSION TOYOTA YARIS
View Details

Accident 2021622100244

Slight
51.5128, -3.4572
1 vehicle 1 casualty
Taxi/Private hire car
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Accident 2021430138468

Slight
51.4628, -1.2451
2 vehicles 1 casualty
FORD TRANSIT CONNECT (1y) VAUXHALL INSIGNIA
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Accident 2021430138180

Slight
51.4628, -1.2408
1 vehicle 1 casualty
MERCEDES CLK CLASS
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Accident 2021430139265

Slight
51.4397, -1.0658
2 vehicles 1 casualty
VOLKSWAGEN GOLF Van / Goods 3.5 tonnes mgw or under
View Details

Accident 2021430135159

Slight
51.5077, -0.6379
2 vehicles 1 casualty
SEAT IBIZA TOYOTA PRIUS (2y)
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Accident 2021010299166

Slight
51.4954, -0.4675
3 vehicles 1 casualty
Goods 7.5 tonnes mgw and over FORD FIESTA VOLKSWAGEN GOLF (3y)
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Accident 2021622100218

Slight
51.5159, -3.6894
2 vehicles 1 casualty
RENAULT MASTER (2y) RENAULT CAPTUR (1y)
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Accident 2021622100214

Slight
51.5057, -3.3101
1 vehicle 1 casualty
MINI COOPER
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Accident 2021430126324

Slight
51.5117, -0.6612
2 vehicles 1 casualty
VAUXHALL CORSA RENAULT CLIO
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Accident 2021430125918

Slight
51.4117, -0.9708
2 vehicles 1 casualty
Car Car
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Accident 2021522101955

Slight
51.5596, -2.5592
2 vehicles 1 casualty
MAN MODEL MISSING VOLKSWAGEN POLO
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Accident 2021542746221

Slight
51.5272, -1.6874
1 vehicle 1 casualty
PEUGEOT 206
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Accident 2021430119377

Slight
51.4899, -0.5791
3 vehicles 1 casualty
HONDA CIVIC SKODA OCTAVIA Car
View Details