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 199401FH00417

Serious
1 vehicle 1 casualty
VAUXHALL ASTRA
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Accident 199401XD00659

Slight
2 vehicles 2 casualties
FIAT UNO FORD ESCORT
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Accident 199401XS00536

Slight
2 vehicles 1 casualty
VAUXHALL ASTRAMAX (3y) HONDA VF500F
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Accident 199401XD00649

Slight
1 vehicle 1 casualty
AUSTIN MAESTRO
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Accident 199401XD00641

Slight
2 vehicles 1 casualty
Vehicle Pedal cycle
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Accident 199401XS00532

Slight
1 vehicle 4 casualties
FORD SIERRA
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Accident 199401XS00612

Slight
1 vehicle 2 casualties
BEDFORD ASTRAVAN
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Accident 199401XH00817

Slight
3 vehicles 1 casualty
FORD ESCORT Vehicle PEUGEOT 205
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Accident 199401XD00646

Slight
2 vehicles 1 casualty
Pedal cycle VAUXHALL ASTRA
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Accident 199401XH00804

Slight
2 vehicles 2 casualties
VAUXHALL CAVALIER (3y) RENAULT 21 (3y)
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Accident 199401XD00653

Slight
2 vehicles 1 casualty
FORD FIESTA VOLKSWAGEN GOLF (4y)
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Accident 199401XS00530

Slight
2 vehicles 2 casualties
BMW 3 SERIES Vehicle
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Accident 199401FH00426

Slight
2 vehicles 2 casualties
FIAT UNO FORD ORION
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Accident 199401XD00642

Slight
2 vehicles 1 casualty
FORD ESCORT Van / Goods 3.5 tonnes mgw or under
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Accident 199401XD00629

Slight
3 vehicles 2 casualties
FORD FIESTA PEUGEOT 205 BMW 3 SERIES (1y)
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Accident 199443P125084

Serious
3 vehicles 2 casualties
FODEN Model Missing ROVER 400 SERIES (2y) FORD FIESTA
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Accident 199401XH00789

Slight
1 vehicle 1 casualty
SUZUKI Model Missing (2y)
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Accident 199401FH00410

Slight
2 vehicles 1 casualty
NISSAN MICRA (3y) VAUXHALL CAVALIER
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Accident 199401XD00619

Slight
3 vehicles 1 casualty
FORD ESCORT DATSUN BLUEBIRD Pedal cycle
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Accident 199401XD00609

Serious
1 vehicle 1 casualty
Vehicle
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