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 2023010457763

Slight
51.5088, -0.3349
2 vehicles 1 casualty
VOLKSWAGEN POLO CITROEN RELAY
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Accident 2023010452412

Slight
51.5118, -0.3136
2 vehicles 1 casualty
Pedal cycle Car
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Accident 2023010452291

Slight
51.5134, -0.2977
2 vehicles 1 casualty
HONDA CIVIC Motorcycle over 500cc
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Accident 2023010452284

Slight
51.5231, -0.4220
2 vehicles 1 casualty
TOYOTA PRIUS MERCEDES SPRINTER
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Accident 2023010452162

Slight
51.5150, -0.3963
1 vehicle 1 casualty
Car
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Accident 2023010451856

Slight
51.5137, -0.2988
2 vehicles 1 casualty
Pedal cycle MERCEDES SPRINTER
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Accident 2023010451443

Slight
51.5329, -0.4533
1 vehicle 4 casualties
MERCEDES A CLASS (4y)
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Accident 2023010451332

Slight
51.5066, -0.2493
3 vehicles 1 casualty
VAUXHALL ZAFIRA VAUXHALL CORSA (4y) Pedal cycle
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Accident 2023010451582

Serious
51.5070, -0.2703
1 vehicle 1 casualty
HYUNDAI IONIQ
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Accident 2023010451147

Slight
51.5125, -0.3090
2 vehicles 1 casualty
MERCEDES V CLASS (4y) SEAT ALHAMBRA
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Accident 2023010450775

Slight
51.5096, -0.3554
2 vehicles 1 casualty
NISSAN QASHQAI MERCEDES SPRINTER
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Accident 2023010452949

Slight
51.5092, -0.2847
2 vehicles 1 casualty
BMW I3 (4y) Pedal cycle
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Accident 2023010450520

Serious
51.5104, -0.3230
2 vehicles 1 casualty
TOYOTA AURIS Pedal cycle
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Accident 2023010449568

Serious
51.5102, -0.3227
2 vehicles 1 casualty
Pedal cycle Car
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Accident 2023010449549

Serious
51.5226, -0.4212
1 vehicle 1 casualty
BMW 5 SERIES
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Accident 2023010449553

Slight
51.5124, -0.3850
2 vehicles 1 casualty
VOLKSWAGEN GOLF Pedal cycle
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Accident 2023010449200

Slight
51.5111, -0.3183
1 vehicle 1 casualty
BMW 3 SERIES
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Accident 2023010448551

Slight
51.5121, -0.3830
2 vehicles 1 casualty
MERCEDES E CLASS Pedal cycle
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Accident 2023010448612

Slight
51.5250, -0.4329
2 vehicles 1 casualty
FORD FOCUS VOLKSWAGEN TIGUAN (2y)
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Accident 2023010448395

Slight
51.5108, -0.3707
2 vehicles 1 casualty
HONDA NSC (4y) MERCEDES C CLASS
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