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 199701XD00323

Serious
2 vehicles 1 casualty
PEUGEOT 205 Pedal cycle
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Accident 199701XD00332

Slight
1 vehicle 1 casualty
SUBARU JUSTY (3y)
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Accident 199701XH00387

Slight
2 vehicles 1 casualty
FORD FIESTA FORD FIESTA
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Accident 199701XH00382

Serious
2 vehicles 2 casualties
BMW 5 SERIES PEUGEOT 309
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Accident 199701XD00315

Slight
2 vehicles 1 casualty
FORD MONDEO Pedal cycle
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Accident 199701XD00314

Slight
2 vehicles 1 casualty
MERCEDES E CLASS CITROEN AX (3y)
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Accident 199701XD00356

Slight
2 vehicles 1 casualty
Vehicle Pedal cycle
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Accident 199701XD00312

Serious
1 vehicle 1 casualty
FIAT PUNTO (2y)
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Accident 199701XS00262

Slight
2 vehicles 1 casualty
Vehicle FORD ORION
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Accident 199743P012057

Slight
1 vehicle 1 casualty
Vehicle
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Accident 199701XD00307

Slight
1 vehicle 1 casualty
BEDFORD Model Missing
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Accident 199701XH00362

Slight
2 vehicles 1 casualty
VAUXHALL CORSA (1y) PEUGEOT 205
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Accident 199701FH00168

Serious
2 vehicles 1 casualty
FORD SIERRA LDV 400 SERIES (3y)
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Accident 199701XD00298

Slight
3 vehicles 2 casualties
MERCEDES 190 (4y) FORD FIESTA FORD ESCORT
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Accident 199701FH00312

Slight
1 vehicle 1 casualty
Bus or coach (17 or more pass seats)
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Accident 199701XD00297

Slight
2 vehicles 2 casualties
W+E Model Missing RENAULT Model Missing
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Accident 199701XD00292

Slight
2 vehicles 1 casualty
HONDA Model Missing (4y) ROVER METRO (3y)
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Accident 199701XD00290

Slight
2 vehicles 1 casualty
Vehicle VAUXHALL CAVALIER (4y)
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Accident 199701XD00289

Serious
1 vehicle 1 casualty
MCW Model Missing
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Accident 199743P171047

Slight
2 vehicles 1 casualty
SAAB 900 (1y) FIAT BRAVO (1y)
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