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 199301XH00996

Slight
2 vehicles 1 casualty
FORD FIESTA VAUXHALL CORSA
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Accident 199301XH00945

Slight
2 vehicles 1 casualty
DATSUN BLUEBIRD Vehicle
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Accident 199301XD00623

Slight
2 vehicles 1 casualty
RENAULT 9 Pedal cycle
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Accident 199301XH00931

Slight
4 vehicles 2 casualties
ROVER 200 SERIES ALFA ROMEO 33 Vehicle VAUXHALL CARLTON (4y)
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Accident 199301XD00625

Slight
1 vehicle 1 casualty
FIAT UNO
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Accident 199301XS00509

Slight
2 vehicles 1 casualty
Pedal cycle Vehicle
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Accident 199301XS00506

Slight
2 vehicles 1 casualty
HONDA Model Missing VAUXHALL CAVALIER
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Accident 199301XD00627

Slight
2 vehicles 1 casualty
AUSTIN METRO VAUXHALL ASTRA
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Accident 199301XD00620

Slight
2 vehicles 1 casualty
FIAT UNO VAUXHALL CAVALIER (3y)
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Accident 199301XH00917

Slight
2 vehicles 1 casualty
MAZDA 323 FORD CORTINA
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Accident 199301XH00937

Slight
2 vehicles 1 casualty
MITSUBISHI GALANT NISSAN MICRA
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Accident 199301XD00609

Slight
2 vehicles 1 casualty
Pedal cycle AUSTIN METRO
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Accident 199301FH00501

Slight
2 vehicles 1 casualty
RENAULT 9 Pedal cycle
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Accident 199301FH00481

Slight
2 vehicles 1 casualty
HONDA CG125B MERCEDES 190
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Accident 199301FH00480

Slight
2 vehicles 1 casualty
ROVER 200 SERIES (3y) FORD TRANSIT
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Accident 199301XD00610

Slight
2 vehicles 1 casualty
DAIHATSU CHARADE Pedal cycle
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Accident 199301XH00902

Slight
2 vehicles 2 casualties
FORD ESCORT FORD SIERRA
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Accident 199301XS00496

Serious
2 vehicles 2 casualties
COLT 1400 NISSAN BLUEBIRD
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Accident 199301XD00604

Slight
2 vehicles 1 casualty
KAWASAKI Model Missing (4y) PEUGEOT 205
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Accident 199301XD00600

Serious
1 vehicle 1 casualty
MCW Model Missing
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