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 1999610162999

Slight
51.5864, -3.0339
2 vehicles 2 casualties
Goods 7.5 tonnes mgw and over AUSTIN MONTEGO
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Accident 199901TX01261

Slight
51.4925, -0.4142
3 vehicles 1 casualty
VOLVO 340 Goods 7.5 tonnes mgw and over MERCEDES Model Missing
View Details

Accident 199954MB12099

Slight
51.4913, -1.5791
1 vehicle 1 casualty
RENAULT LAGUNA (2y)
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Accident 199901TX01273

Slight
51.4944, -0.4797
2 vehicles 1 casualty
FORD MONDEO IVECO-FORD Model Missing
View Details

Accident 199943W229129

Slight
51.4306, -1.0486
3 vehicles 1 casualty
Vehicle FORD COUGAR (1y) Vehicle
View Details

Accident 199954MB11999

Fatal
51.5188, -2.2629
3 vehicles 1 casualty
FORD TRANSIT SCANIA Model Missing (1y) VAUXHALL OMEGA (2y)
View Details

Accident 199943W194129

Slight
51.4603, -1.1602
2 vehicles 1 casualty
Vehicle VOLKSWAGEN GOLF (1y)
View Details

Accident 199954MA11899

Slight
51.5097, -2.1660
2 vehicles 1 casualty
ROVER 200 SERIES VOLVO Model Missing
View Details

Accident 1999620005768

Slight
51.5422, -3.1319
4 vehicles 1 casualty
Vehicle FORD MONDEO (3y) Vehicle VAUXHALL ASTRA (2y)
View Details

Accident 199901TX01235

Slight
51.4879, -0.3930
2 vehicles 1 casualty
FORD FIESTA (3y) DAIHATSU SPORTRAK (4y)
View Details

Accident 1999620005839

Slight
51.6682, -3.8885
6 vehicles 6 casualties
Goods over 3.5t. and under 7.5t VAUXHALL ASTRA (1y) FORD ESCORT (1y) ROVER MONTEGO RENAULT MEGANE (2y) MERCEDES 300
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Accident 1999620006488

Slight
51.6788, -3.9555
1 vehicle 1 casualty
MERCEDES 300 (3y)
View Details

Accident 199954MB11699

Slight
51.5267, -1.7220
3 vehicles 2 casualties
TOYOTA SUPRA SAAB 900 RENAULT LAGUNA (2y)
View Details

Accident 1999620005567

Slight
51.5052, -3.3183
2 vehicles 1 casualty
FORD SIERRA FORD SIERRA
View Details

Accident 199901TX01268

Slight
51.4847, -0.4528
3 vehicles 2 casualties
BMW 5 SERIES VOLKSWAGEN GOLF (1y) LEXUS LS400 (2y)
View Details

Accident 199954MA11499

Serious
51.5438, -1.8497
2 vehicles 1 casualty
SKODA FELICIA (2y) Vehicle
View Details

Accident 1999610166399

Slight
51.5947, -3.0218
7 vehicles 7 casualties
PEUGEOT 205 CITROEN XANTIA (3y) MERCEDES E CLASS VAUXHALL ASTRA VAUXHALL VECTRA (2y) FORD MONDEO BMW 3 SERIES (4y)
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Accident 199943R141129

Slight
51.4987, -0.7263
2 vehicles 1 casualty
Vehicle VOLKSWAGEN GOLF (1y)
View Details

Accident 199943N228129

Slight
51.5100, -0.6577
1 vehicle 2 casualties
Vehicle
View Details

Accident 199901TX01251

Slight
51.4952, -0.4520
2 vehicles 1 casualty
VOLVO 740 Goods 7.5 tonnes mgw and over
View Details