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 199501XH00541

Slight
1 vehicle 1 casualty
Bus or coach (17 or more pass seats)
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Accident 199501XD00362

Slight
2 vehicles 1 casualty
VAUXHALL ASTRA (4y) Vehicle
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Accident 199501FH00253

Slight
2 vehicles 1 casualty
HONDA NS50MSB Vehicle
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Accident 199501FH00250

Slight
2 vehicles 2 casualties
FORD SIERRA MERCEDES 200
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Accident 199501XD00354

Slight
2 vehicles 2 casualties
RENAULT EXTRA Pedal cycle
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Accident 199501XH00545

Slight
1 vehicle 1 casualty
Bus or coach (17 or more pass seats)
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Accident 199501XD00338

Serious
1 vehicle 1 casualty
FORD FIESTA
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Accident 199501FH00239

Slight
2 vehicles 1 casualty
PROTON PROTON Pedal cycle
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Accident 199501XS00307

Serious
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 199501XS00319

Slight
2 vehicles 2 casualties
BMW 5 SERIES BMW 3 SERIES
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Accident 199501XH00499

Slight
2 vehicles 1 casualty
ROVER 400 SERIES AUSTIN METRO
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Accident 199501XS00310

Slight
2 vehicles 1 casualty
NISSAN SUNNY VAUXHALL CARLTON
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Accident 199501XH00485

Slight
2 vehicles 1 casualty
Vehicle Vehicle
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Accident 199501XD00332

Slight
2 vehicles 1 casualty
LEYLAND NATIONAL Model Missing Pedal cycle
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Accident 199501XS00313

Slight
1 vehicle 1 casualty
HONDA NH80MD (4y)
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Accident 199501XH00481

Slight
2 vehicles 1 casualty
Vehicle FORD FIESTA
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Accident 199501XS00324

Serious
2 vehicles 1 casualty
FORD SIERRA SAAB 9000
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Accident 199501XD00409

Slight
2 vehicles 1 casualty
SUZUKI SJ Pedal cycle
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Accident 199501XH00480

Slight
2 vehicles 1 casualty
FORD FIESTA BMW 3 SERIES (3y)
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Accident 199543P114055

Slight
2 vehicles 2 casualties
ROVER RANGE ROVER FORD CAPRI
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