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 2023010437941

Serious
51.5134, -0.3041
1 vehicle 1 casualty
Car
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Accident 2023010437425

Slight
51.5106, -0.3712
2 vehicles 1 casualty
MERCEDES C CLASS Goods vehicle - unknown weight
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Accident 2023010437066

Slight
51.5126, -0.3087
2 vehicles 1 casualty
TOYOTA PRIUS Pedal cycle
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Accident 2023010436960

Serious
51.5195, -0.4124
1 vehicle 1 casualty
Car
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Accident 2023010436691

Slight
51.5210, -0.4171
1 vehicle 1 casualty
FIAT DOBLO
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Accident 2023010436590

Slight
51.5065, -0.2362
2 vehicles 1 casualty
TOYOTA PRIUS Pedal cycle
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Accident 2023010435868

Slight
51.5139, -0.3000
2 vehicles 1 casualty
SKODA SUPERB Pedal cycle
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Accident 2023010435830

Slight
51.5174, -0.4038
2 vehicles 1 casualty
MITSUBISHI MIRAGE BMW 1 SERIES
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Accident 2023010436273

Slight
51.5086, -0.3448
2 vehicles 1 casualty
MINI COOPER LEXUS CT 200
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Accident 2023010434720

Slight
51.5083, -0.2809
2 vehicles 1 casualty
NISSAN QASHQAI (2y) Pedal cycle
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Accident 2023010434653

Slight
51.5429, -0.4729
1 vehicle 1 casualty
Bus or coach (17 or more pass seats)
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Accident 2023010434507

Slight
51.5434, -0.4733
2 vehicles 1 casualty
PEUGEOT PARTNER Pedal cycle
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Accident 2023010443058

Serious
51.5128, -0.3077
2 vehicles 1 casualty
Pedal cycle Car
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Accident 2023010434361

Slight
51.5066, -0.2472
2 vehicles 1 casualty
PIAGGIO LIBERTY (3y) MERCEDES C CLASS (2y)
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Accident 2023010434404

Slight
51.5065, -0.2354
2 vehicles 1 casualty
YAMAHA GPD TOYOTA AURIS
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Accident 2023010434249

Slight
51.5064, -0.2384
2 vehicles 1 casualty
TOYOTA C-HR (4y) HONDA SH 125
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Accident 2023010434058

Slight
51.5088, -0.3381
2 vehicles 1 casualty
NISSAN QASHQAI HONDA WW125
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Accident 2023010434087

Slight
51.5083, -0.2759
2 vehicles 1 casualty
Pedal cycle Car
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Accident 2023010433826

Slight
51.5063, -0.2319
2 vehicles 1 casualty
Pedal cycle CHEVROLET AVEO
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Accident 2023010433502

Slight
51.5065, -0.2568
2 vehicles 1 casualty
JAGUAR X TYPE Pedal cycle
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