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 2015621500859

Slight
51.5168, -3.7009
1 vehicle 1 casualty
Car
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Accident 2015610022315

Slight
51.5806, -2.7754
2 vehicles 2 casualties
Car Car
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Accident 2015621500825

Slight
51.5240, -3.7192
1 vehicle 1 casualty
Van / Goods 3.5 tonnes mgw or under
View Details

Accident 2015610022415

Slight
51.5868, -2.8403
2 vehicles 3 casualties
Car Goods 7.5 tonnes mgw and over
View Details

Accident 201501TX20313

Slight
51.4924, -0.4117
2 vehicles 1 casualty
Car MERCEDES E CLASS
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Accident 2015610022515

Slight
51.5808, -2.7850
2 vehicles 1 casualty
Van / Goods 3.5 tonnes mgw or under Car
View Details

Accident 201543R182055

Slight
51.4566, -0.7980
1 vehicle 2 casualties
TOYOTA COROLLA
View Details

Accident 201543W043055

Serious
51.4113, -0.9722
2 vehicles 1 casualty
Van / Goods 3.5 tonnes mgw or under Motorcycle over 500cc
View Details

Accident 2015543962615

Slight
51.4981, -1.5846
1 vehicle 1 casualty
NISSAN MICRA
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Accident 2015521503751

Slight
51.4979, -2.4380
2 vehicles 4 casualties
VOLVO Model Missing TOYOTA COROLLA
View Details

Accident 201543R037055

Slight
51.4946, -0.7354
2 vehicles 1 casualty
AUDI A3 (3y) VOLKSWAGEN PASSAT (3y)
View Details

Accident 2015621500792

Slight
51.5386, -3.2131
4 vehicles 2 casualties
Car Car Car Car
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Accident 2015621500799

Slight
51.5095, -3.3005
2 vehicles 1 casualty
Car Car
View Details

Accident 2015543884015

Serious
51.5405, -1.8075
1 vehicle 2 casualties
VOLVO XC70
View Details

Accident 201543R018055

Slight
51.4949, -0.5848
3 vehicles 1 casualty
Car Car Car
View Details

Accident 201543N011055

Slight
51.4974, -0.4967
1 vehicle 1 casualty
VOLKSWAGEN GOLF
View Details

Accident 201563AC16315

Slight
51.7451, -4.0655
2 vehicles 1 casualty
Car Car
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Accident 2015621500779

Slight
51.5240, -3.7190
3 vehicles 2 casualties
Car Car Car
View Details

Accident 2015521503072

Slight
51.5123, -2.5171
2 vehicles 1 casualty
AUDI Q3 (2y) HYUNDAI COUPE
View Details

Accident 201543W222045

Slight
51.4842, -1.5617
1 vehicle 1 casualty
DAF TRUCKS Model Missing (2y)
View Details