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 2021546457221

Slight
51.5168, -2.2491
2 vehicles 1 casualty
MERCEDES CITAN (3y) Car
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Accident 2021430293232

Serious
51.4538, -1.3024
1 vehicle 1 casualty
MERCEDES E CLASS
View Details

Accident 2021546389121

Slight
51.5260, -1.7178
3 vehicles 1 casualty
PEUGEOT 108 VOLKSWAGEN PASSAT FIAT PUNTO
View Details

Accident 2021546380021

Fatal
51.5170, -2.2768
1 vehicle 4 casualties
Car
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Accident 2021010316718

Slight
51.4924, -0.3606
3 vehicles 2 casualties
VOLKSWAGEN CADDY (2y) FORD FIESTA FORD TRANSIT (1y)
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Accident 2021010316470

Slight
51.4902, -0.3081
2 vehicles 1 casualty
JAGUAR XE SERIES MITSUBISHI LANCER
View Details

Accident 2021010316114

Slight
51.4945, -0.4408
2 vehicles 1 casualty
FORD FOCUS NISSAN NOTE
View Details

Accident 2021622100490

Slight
51.6796, -3.9218
2 vehicles 1 casualty
FORD TRANSIT ISUZU TRUCKS GRAFTER (2y)
View Details

Accident 2021010315579

Slight
51.4964, -0.4546
2 vehicles 1 casualty
FORD FOCUS Car
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Accident 2021430278916

Slight
51.4979, -0.7289
2 vehicles 2 casualties
RENAULT CLIO Goods vehicle - unknown weight
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Accident 202163A040721

Slight
51.7454, -4.0654
1 vehicle 1 casualty
Van / Goods 3.5 tonnes mgw or under
View Details

Accident 2021430276641

Slight
51.4510, -1.3997
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over FORD S-MAX
View Details

Accident 2021610022621

Slight
51.5760, -3.0324
2 vehicles 2 casualties
Van / Goods 3.5 tonnes mgw or under Car
View Details

Accident 2021622100461

Slight
51.5933, -3.7730
2 vehicles 1 casualty
DAF TRUCKS MODEL MISSING FORD FIESTA (3y)
View Details

Accident 202163A038821

Serious
51.7446, -4.0656
3 vehicles 1 casualty
SUZUKI ALTO NISSAN JUKE MINI COOPER (1y)
View Details

Accident 2021622100456

Serious
51.5074, -3.3100
2 vehicles 1 casualty
LAND ROVER RANGE ROVER EVOQUE BMW S 1000
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Accident 2021610025921

Serious
51.5838, -2.7962
2 vehicles 2 casualties
Car Car
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Accident 2021622100444

Slight
51.5325, -3.6077
2 vehicles 1 casualty
FORD FIESTA DACIA SANDERO (2y)
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Accident 2021010313892

Slight
51.4886, -0.3929
2 vehicles 1 casualty
VAUXHALL ZAFIRA FORD ECOSPORT (3y)
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Accident 2021430258421

Slight
51.4290, -0.8458
2 vehicles 3 casualties
NISSAN ALMERA FORD FIESTA (3y)
View Details