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 2009610077709

Slight
51.5521, -3.0629
2 vehicles 1 casualty
ROVER 200 SERIES MERCEDES Model Missing (2y)
View Details

Accident 2009520910178

Serious
51.5018, -2.3539
5 vehicles 1 casualty
Goods 7.5 tonnes mgw and over (4y) ERF Model Missing DAF TRUCKS FTG 95XF MERCEDES Model Missing (4y) MERCEDES CLK CLASS (3y)
View Details

Accident 200901XH30680

Slight
51.4958, -0.4603
2 vehicles 1 casualty
PEUGEOT 206 HARLEY-DAVIDSON XL883C SPORTSTER (2y)
View Details

Accident 2009620195345

Slight
51.5670, -3.7445
5 vehicles 2 casualties
FORD Model Missing TOYOTA LANDCRUISER FORD FOCUS Car MAZDA 6 (1y)
View Details

Accident 2009610066709

Slight
51.6034, -2.9964
3 vehicles 2 casualties
Car Car VAUXHALL ZAFIRA
View Details

Accident 200954MA04909

Fatal
51.5530, -1.8729
1 vehicle 2 casualties
FORD FOCUS
View Details

Accident 2009520909985

Slight
51.4977, -2.4082
1 vehicle 1 casualty
BMW 3 SERIES
View Details

Accident 200901TX20688

Slight
51.4895, -0.3716
3 vehicles 3 casualties
MERCEDES C CLASS FORD FIESTA SUZUKI ALTO (4y)
View Details

Accident 200901XH30675

Slight
51.4929, -0.4182
2 vehicles 1 casualty
VOLVO Model Missing (1y) FORD KA
View Details

Accident 200901TX20641

Slight
51.4926, -0.4113
2 vehicles 1 casualty
FORD TRANSIT (3y) CITROEN RELAY
View Details

Accident 2009520909760

Slight
51.5134, -2.5177
3 vehicles 1 casualty
Car VOLKSWAGEN POLO Car
View Details

Accident 200901TX20644

Serious
51.4913, -0.3021
2 vehicles 1 casualty
Motorcycle over 500cc Car (3y)
View Details

Accident 2009520909798

Slight
51.5226, -2.5252
6 vehicles 1 casualty
SEAT CORDOBA TOYOTA HILUX PEUGEOT 306 Car Car Car
View Details

Accident 200943R122109

Slight
51.5012, -0.5941
3 vehicles 2 casualties
Goods 7.5 tonnes mgw and over SCANIA Model Missing VAUXHALL CORSA (3y)
View Details

Accident 2009620194658

Slight
51.5003, -3.1318
2 vehicles 1 casualty
MERCEDES C CLASS (1y) HONDA CIVIC (2y)
View Details

Accident 200901TX20623

Slight
51.4958, -0.3386
2 vehicles 1 casualty
Taxi/Private hire car (4y) YAMAHA Model Missing
View Details

Accident 200943R111109

Slight
51.4930, -0.5319
2 vehicles 1 casualty
Goods 7.5 tonnes mgw and over BMW Z4
View Details

Accident 200954MA04809

Slight
51.5268, -1.7259
2 vehicles 2 casualties
NISSAN INTERSTAR (1y) VAUXHALL ASTRA (4y)
View Details

Accident 2009610074609

Slight
51.5502, -3.0808
3 vehicles 2 casualties
SCANIA Model Missing RENAULT CLIO FORD ESCORT
View Details

Accident 2009620194547

Slight
51.5073, -3.3089
2 vehicles 1 casualty
Vehicle MAN Model Missing
View Details