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 199801XD00652

Slight
1 vehicle 1 casualty
AUDI QUATTRO
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Accident 199801XH00927

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2 vehicles 3 casualties
VAUXHALL CARLTON FORD ESCORT
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Accident 199801XH00921

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1 vehicle 1 casualty
Vehicle
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Accident 199843P178108

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2 vehicles 1 casualty
FORD TRANSIT HONDA Model Missing
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Accident 199801XD00637

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2 vehicles 1 casualty
VAUXHALL ASTRA Pedal cycle
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Accident 199801XH00902

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2 vehicles 2 casualties
FORD ESCORT VAUXHALL ASTRA
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Accident 199801XS00578

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1 vehicle 1 casualty
BMW 3 SERIES
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Accident 199801XH00895

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1 vehicle 1 casualty
Vehicle
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Accident 199801XS00553

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2 vehicles 1 casualty
VOLVO 850 (2y) AUSTIN METRO
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Accident 199801XD00672

Slight
1 vehicle 1 casualty
VOLVO 740
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Accident 199801XS00561

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2 vehicles 1 casualty
VOLKSWAGEN GOLF Pedal cycle
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Accident 199801XD00639

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2 vehicles 1 casualty
Vehicle Vehicle
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Accident 199801XD00632

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2 vehicles 1 casualty
Vehicle IVECO Model Missing
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Accident 199801XD00648

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2 vehicles 1 casualty
KAWASAKI AR125 (3y) Vehicle
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Accident 199801XD00651

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2 vehicles 1 casualty
VAUXHALL CORSA (4y) MCW Model Missing
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Accident 199801XD00635

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2 vehicles 1 casualty
VAUXHALL CARLTON HONDA C90 (1y)
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Accident 199801XH00879

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2 vehicles 2 casualties
VAUXHALL CORSA (3y) FORD FIESTA
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Accident 199801XD00624

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1 vehicle 1 casualty
MCW Model Missing
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Accident 199801XD00630

Slight
2 vehicles 1 casualty
VOLVO 340 Pedal cycle
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Accident 199801FH00439

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1 vehicle 1 casualty
FORD ESCORT (2y)
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