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 199943R201049

Slight
51.4509, -1.0769
2 vehicles 1 casualty
PEUGEOT 309 FORD ESCORT (1y)
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Accident 199901TX00355

Slight
51.4913, -0.2965
2 vehicles 1 casualty
Vehicle LEXUS LS400
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Accident 199943R205049

Slight
51.5031, -0.6165
2 vehicles 1 casualty
KAWASAKI Model Missing (4y) JAGUAR XJ SERIES
View Details

Accident 199943R069049

Slight
51.4927, -0.6519
7 vehicles 1 casualty
VOLKSWAGEN PASSAT (3y) Vehicle Vehicle VOLKSWAGEN GOLF (4y) RENAULT CLIO (3y) FORD MONDEO VAUXHALL VECTRA
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Accident 199901TX00362

Serious
51.4951, -0.4527
1 vehicle 1 casualty
CITROEN SAXO (2y)
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Accident 199901TX00349

Slight
51.4952, -0.4474
2 vehicles 1 casualty
NISSAN BLUEBIRD ROVER 200 SERIES
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Accident 199943R113049

Slight
51.4593, -0.7913
1 vehicle 1 casualty
RENAULT CLIO (1y)
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Accident 199901TX00337

Slight
51.4950, -0.4469
2 vehicles 1 casualty
FORD SIERRA ROVER 600 SERIES (4y)
View Details

Accident 1999610041099

Slight
51.5912, -2.8515
3 vehicles 2 casualties
VOLVO 740 Vehicle FORD ESCORT (1y)
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Accident 199943R104049

Slight
51.4995, -0.7182
3 vehicles 2 casualties
DAEWOO LEGANZA (1y) HONDA ACCORD FORD ESCORT
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Accident 1999520043419

Slight
51.4979, -2.4290
3 vehicles 1 casualty
RENAULT CLIO VAUXHALL VECTRA (1y) ROVER 600 SERIES (2y)
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Accident 1999610041599

Slight
51.5754, -3.0325
4 vehicles 1 casualty
Vehicle RENAULT LAGUNA (4y) MG MGF (3y) BMW 3 SERIES (2y)
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Accident 1999610041699

Slight
51.6042, -2.9824
2 vehicles 5 casualties
SCANIA Model Missing FORD ESCORT
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Accident 199943R083049

Slight
51.5031, -0.6161
5 vehicles 2 casualties
FORD COUGAR NISSAN MICRA (2y) FORD ORION PEUGEOT 405 (4y) MERCEDES C CLASS (4y)
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Accident 199962D011199

Slight
51.5257, -3.2483
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over Vehicle
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Accident 199943R084049

Slight
51.4231, -0.8993
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over PEUGEOT 406 (3y)
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Accident 199954MB00269

Serious
51.5143, -2.1023
2 vehicles 5 casualties
VAUXHALL CAVALIER ROVER MAESTRO
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Accident 199943R058049

Slight
51.4684, -0.7734
1 vehicle 1 casualty
FORD MONDEO
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Accident 199962D007599

Slight
51.5228, -3.2684
1 vehicle 1 casualty
TOYOTA COROLLA
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Accident 199901TX00319

Slight
51.4933, -0.4251
2 vehicles 1 casualty
VAUXHALL CARLTON VAUXHALL VECTRA (3y)
View Details