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 201643W156026

Slight
51.4704, -1.5238
2 vehicles 1 casualty
Van / Goods 3.5 tonnes mgw or under Goods over 3.5t. and under 7.5t
View Details

Accident 2016621600384

Slight
51.5455, -3.1522
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over PEUGEOT 307
View Details

Accident 201643R127026

Slight
51.4932, -0.5288
2 vehicles 1 casualty
BMW 5 SERIES PORSCHE CAYMAN (1y)
View Details

Accident 2016621600378

Slight
51.5063, -3.3209
1 vehicle 2 casualties
VAUXHALL ASTRA
View Details

Accident 2016541557316

Slight
51.5346, -1.7744
1 vehicle 5 casualties
Car
View Details

Accident 201643W122026

Slight
51.4223, -0.9014
5 vehicles 3 casualties
MERCEDES S CLASS FORD TRANSIT (4y) MERCEDES C CLASS FORD FIESTA VAUXHALL MOKKA (2y)
View Details

Accident 2016621600488

Slight
51.5074, -3.3101
2 vehicles 1 casualty
DAF TRUCKS FA 45LF FORD FIESTA
View Details

Accident 2016621600372

Slight
51.6462, -3.8478
1 vehicle 1 casualty
CITROEN C3
View Details

Accident 2016621600350

Slight
51.5173, -3.7071
2 vehicles 1 casualty
VOLKSWAGEN GOLF Car
View Details

Accident 201643W090026

Slight
51.4160, -0.9834
3 vehicles 1 casualty
PEUGEOT 206 RENAULT CLIO FIAT 500 (1y)
View Details

Accident 201643W105026

Slight
51.4360, -1.0581
2 vehicles 2 casualties
CITROEN C4 Car
View Details

Accident 2016541325316

Serious
51.5296, -1.7465
1 vehicle 2 casualties
RENAULT CLIO
View Details

Accident 201663AC03016

Slight
51.7081, -4.0579
3 vehicles 1 casualty
KIA PICANTO (1y) RENAULT CLIO RENAULT TRAFIC (4y)
View Details

Accident 2016621600400

Fatal
51.6801, -3.9349
1 vehicle 2 casualties
PEUGEOT PARTNER (4y)
View Details

Accident 201601TX20087

Slight
51.4925, -0.4132
4 vehicles 4 casualties
VAUXHALL INSIGNIA LEXUS CT 200 MERCEDES VITO MAZDA 6
View Details

Accident 2016621600349

Slight
51.5333, -3.5502
2 vehicles 1 casualty
KIA PICANTO (2y) VAUXHALL ASTRA
View Details

Accident 201643R085026

Serious
51.5095, -0.6461
3 vehicles 1 casualty
SEAT LEON AUDI A4 (1y) PEUGEOT 107
View Details

Accident 201601XH30113

Slight
51.4943, -0.4874
2 vehicles 1 casualty
MERCEDES CLC CLASS FORD TRANSIT (3y)
View Details

Accident 2016541213916

Slight
51.5095, -2.1709
4 vehicles 1 casualty
CITROEN C1 BMW X3 (1y) NISSAN QASHQAI Vehicle
View Details

Accident 201643R051026

Slight
51.4931, -0.5174
4 vehicles 2 casualties
DS DS4 (1y) Taxi/Private hire car VOLKSWAGEN TIGUAN VAUXHALL CORSA (1y)
View Details