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 200801XH30767

Slight
51.5349, -0.4577
2 vehicles 1 casualty
PEUGEOT JET FORCE VAUXHALL CORSA
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Accident 200801XD80881

Slight
51.5113, -0.3771
2 vehicles 1 casualty
Car HONDA CIVIC
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Accident 200801XD80780

Slight
51.5123, -0.3851
1 vehicle 1 casualty
Car
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Accident 200801XD80796

Slight
51.5076, -0.2732
1 vehicle 1 casualty
DENNIS Model Missing
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Accident 200801XD80806

Slight
51.5087, -0.3345
2 vehicles 1 casualty
VOLVO 960 Car
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Accident 200801XD80803

Slight
51.5083, -0.2776
1 vehicle 1 casualty
ROVER 400 SERIES
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Accident 200801XD80766

Slight
51.5126, -0.3871
1 vehicle 1 casualty
VAUXHALL VECTRA
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Accident 200801XD80773

Slight
51.5107, -0.3726
2 vehicles 1 casualty
Pedal cycle VOLKSWAGEN GOLF (4y)
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Accident 200801XD80770

Slight
51.5103, -0.3229
2 vehicles 1 casualty
Pedal cycle Van / Goods 3.5 tonnes mgw or under
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Accident 200801TB00020

Serious
51.5444, -0.4800
2 vehicles 2 casualties
DENNIS Model Missing Vehicle
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Accident 200801XD80756

Slight
51.5128, -0.3884
2 vehicles 1 casualty
FORD GALAXY (3y) Car
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Accident 200801FH10536

Slight
51.5066, -0.2452
2 vehicles 1 casualty
IVECO Model Missing Pedal cycle
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Accident 200801FH10522

Slight
51.5064, -0.2382
1 vehicle 1 casualty
Car
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Accident 200801XH30714

Slight
51.5278, -0.4425
2 vehicles 1 casualty
BMW 5 SERIES Pedal cycle
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Accident 200801XD80732

Slight
51.5067, -0.2517
1 vehicle 1 casualty
Bus or coach (17 or more pass seats)
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Accident 200801XD80707

Slight
51.5083, -0.2787
1 vehicle 1 casualty
Car
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Accident 200801FH10528

Slight
51.5050, -0.2244
2 vehicles 1 casualty
VOLVO Model Missing (3y) VAUXHALL ASTRA (3y)
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Accident 200801XD80728

Slight
51.5063, -0.2607
2 vehicles 1 casualty
VOLVO V40 Motorcycle over 500cc
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Accident 200801XD75237

Serious
51.5108, -0.3725
1 vehicle 1 casualty
LAND ROVER DISCOVERY
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Accident 200801XD80714

Slight
51.5129, -0.3061
1 vehicle 1 casualty
RENAULT CLIO
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