Crash View

A4020 road traffic accidents

19,356 collisions recorded
1979 to 2025

The A4020 appears in 19,356 collisions in the STATS19 data between 1979 and 2025, involving 23,128 casualties. Of these collisions, 169 were fatal and 2,864 were serious. Recorded collisions in 2025 were up 1% on 2024.

All Severities Fatal Serious Slight
Fatal
169
Serious
2,864
Casualties
23,128
2025 216
2024 213
2023 240
2022 267
2021 236
2020 230
2019 280
2018 277
2017 317
2016 306
2015 310
2014 274
2013 303
2012 300
2011 319
2010 348
2009 316
2008 276
2007 294
2006 314
2005 349
2004 393
2003 452
2002 469
2001 504
2000 527
1999 450
1998 455
1997 526
1996 519
1995 452
1994 534
1993 516
1992 506
1991 518
1990 552
1989 574
1988 514
1987 491
1986 533
1985 549
1984 625
1983 600
1982 559
1981 556
1980 499
1979 498

Ealing

6,531 recorded here

Hillingdon

2,830 recorded here

Hammersmith and Fulham

1,710 recorded here

Benson

99 recorded here

South Bucks

88 recorded here

Buckinghamshire

8 recorded here

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Ealing

5,043 recorded along the A4020

Hillingdon

2,199 recorded along the A4020

Hammersmith and Fulham

1,302 recorded along the A4020

New Denham

63 recorded along the A4020

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Accidents on the A4020

Fatal
Serious
Slight
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Recent Accidents

Showing 20 of 19,356 accidents

Accident 2018010139311

Slight
51.5060, -0.2297
2 vehicles 1 casualty
RENAULT MASTER (1y) Pedal cycle
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Accident 2018010139033

Serious
51.5065, -0.2569
2 vehicles 1 casualty
HONDA WW125 BMW X6
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Accident 2018010138668

Slight
51.5107, -0.2892
2 vehicles 1 casualty
Honda NSC110WH AUDI A6 (3y)
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Accident 2018010141167

Serious
51.5190, -0.4114
1 vehicle 1 casualty
FORD FOCUS
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Accident 2018010138131

Serious
51.5116, -0.3149
3 vehicles 1 casualty
Car VOLKSWAGEN JETTA Pedal cycle
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Accident 2018010137911

Slight
51.5126, -0.3854
1 vehicle 1 casualty
Car
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Accident 2018010137760

Slight
51.5069, -0.2687
2 vehicles 1 casualty
FORD FOCUS MERCEDES VITO (2y)
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Accident 2018010137642

Slight
51.5064, -0.2393
2 vehicles 1 casualty
VAUXHALL CORSA PIAGGIO VESPA
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Accident 2018010137434

Slight
51.5090, -0.3500
2 vehicles 3 casualties
VOLKSWAGEN POLO FORD FOCUS (2y)
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Accident 2018010137437

Slight
51.5065, -0.2647
2 vehicles 1 casualty
Motorcycle over 125cc and up to 500cc TOYOTA PRIUS
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Accident 2018010137313

Slight
51.5373, -0.4714
2 vehicles 1 casualty
VAUXHALL CORSA AUDI A3 (4y)
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Accident 2018010138710

Serious
51.5150, -0.3964
1 vehicle 1 casualty
Pedal cycle
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Accident 2018010136023

Serious
51.5113, -0.2919
2 vehicles 2 casualties
ALEXANDER DENNIS Model Missing (1y) Pedal cycle
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Accident 2018010135198

Slight
51.5064, -0.2357
1 vehicle 1 casualty
YAMAHA GPD 125
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Accident 2018010135127

Slight
51.5051, -0.2250
2 vehicles 1 casualty
ALEXANDER DENNIS Model Missing Pedal cycle
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Accident 2018010142210

Slight
51.5098, -0.3556
1 vehicle 1 casualty
MERCEDES E CLASS (4y)
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Accident 2018010134866

Slight
51.5064, -0.2372
2 vehicles 2 casualties
HONDA MSX125 CITROEN C4 (4y)
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Accident 2018010134373

Slight
51.5064, -0.2390
1 vehicle 1 casualty
VOLVO Model Missing
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Accident 2018010134293

Serious
51.5048, -0.2228
2 vehicles 1 casualty
KAWASAKI ZR800 (4y) MERCEDES E CLASS
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Accident 2018010133838

Serious
51.5078, -0.2737
1 vehicle 1 casualty
VOLVO Model Missing
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