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 2021010351739

Slight
51.5108, -0.3718
2 vehicles 1 casualty
HONDA NSC (3y) MERCEDES C CLASS
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Accident 2021010351713

Serious
51.5065, -0.2568
2 vehicles 1 casualty
YAMAHA GPD (2y) VAUXHALL ASTRA
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Accident 2021010352968

Slight
51.5097, -0.3284
2 vehicles 1 casualty
HONDA WW125 CITROEN C4 (3y)
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Accident 2021010351454

Slight
51.5066, -0.2404
2 vehicles 1 casualty
Car YAMAHA GPD (1y)
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Accident 2021010350238

Slight
51.5067, -0.2459
1 vehicle 1 casualty
ALEXANDER DENNIS Model Missing (4y)
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Accident 2021010349077

Slight
51.5066, -0.2568
2 vehicles 3 casualties
BMW 1 SERIES (1y) VOLKSWAGEN GOLF
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Accident 2021010348823

Slight
51.5114, -0.3789
1 vehicle 1 casualty
ALEXANDER DENNIS MODEL MISSING (4y)
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Accident 2021010348794

Slight
51.5064, -0.2617
2 vehicles 1 casualty
Pedal cycle Taxi/Private hire car
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Accident 2021010348364

Slight
51.5096, -0.3557
1 vehicle 1 casualty
BMW 3 SERIES
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Accident 2021010347509

Serious
51.5139, -0.3022
1 vehicle 1 casualty
FORD FOCUS
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Accident 2021010347098

Slight
51.5099, -0.2868
1 vehicle 1 casualty
BMW 2 SERIES (1y)
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Accident 2021010346737

Slight
51.5139, -0.3000
2 vehicles 1 casualty
YAMAHA X VOLKSWAGEN SHARAN (2y)
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Accident 2021010346590

Slight
51.5131, -0.3895
2 vehicles 2 casualties
MINI COOPER Car
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Accident 2021010347013

Slight
51.5072, -0.2707
2 vehicles 1 casualty
HONDA NSC (4y) HONDA NSC (1y)
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Accident 2021010346342

Slight
51.5304, -0.4481
2 vehicles 1 casualty
HONDA FES125 Car
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Accident 2021010346121

Slight
51.5475, -0.4807
1 vehicle 1 casualty
ALEXANDER DENNIS MODEL MISSING (4y)
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Accident 2021010345838

Slight
51.5440, -0.4814
1 vehicle 1 casualty
MERCEDES GL CLASS
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Accident 2021010345427

Slight
51.5088, -0.3463
1 vehicle 1 casualty
ALEXANDER DENNIS MODEL MISSING
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Accident 2021010345120

Slight
51.5117, -0.3142
2 vehicles 1 casualty
HONDA WW125 (4y) TOYOTA PRIUS (2y)
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Accident 2021010344851

Slight
51.5084, -0.2771
2 vehicles 1 casualty
TOYOTA PRIUS MITSUBISHI OUTLANDER
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