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 200601XH30448

Serious
51.5296, -0.4468
1 vehicle 1 casualty
Bus or coach (17 or more pass seats)
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Accident 200601XD80667

Slight
51.5069, -0.2706
2 vehicles 1 casualty
Car Car
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Accident 200601XD80617

Slight
51.5106, -0.3720
2 vehicles 2 casualties
Car VOLKSWAGEN PASSAT (3y)
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Accident 200601XD80618

Slight
51.5066, -0.2503
2 vehicles 1 casualty
DENNIS Model Missing (3y) Pedal cycle
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Accident 200601XD80656

Slight
51.5111, -0.3758
2 vehicles 1 casualty
Car FORD FIESTA
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Accident 200601FH10851

Slight
51.5066, -0.2449
1 vehicle 1 casualty
DENNIS Model Missing (4y)
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Accident 200601XH30459

Serious
51.5176, -0.4052
1 vehicle 1 casualty
Car
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Accident 200601XD80623

Serious
51.5122, -0.3847
1 vehicle 1 casualty
DENNIS Model Missing
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Accident 200601XD80610

Slight
51.5113, -0.3165
2 vehicles 2 casualties
PEUGEOT 106 MAZDA MX-5 (3y)
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Accident 200601XD80608

Serious
51.5064, -0.2591
2 vehicles 1 casualty
PIAGGIO VESPA Car
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Accident 200601XH30383

Slight
51.5210, -0.4174
2 vehicles 1 casualty
FORD TRANSIT TRIUMPH T595 DAYTONA
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Accident 200601XD80651

Slight
51.5065, -0.2653
2 vehicles 1 casualty
Car Pedal cycle
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Accident 200601XH30470

Slight
51.5222, -0.4202
2 vehicles 1 casualty
BMW 7 SERIES (3y) VOLVO Model Missing (2y)
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Accident 200601TB00176

Slight
51.5068, -0.2703
1 vehicle 1 casualty
Car
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Accident 200601XH30436

Slight
51.5177, -0.4060
1 vehicle 1 casualty
RENAULT KANGOO (1y)
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Accident 200601XD80661

Serious
51.5122, -0.3842
1 vehicle 2 casualties
MERCEDES Model Missing (1y)
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Accident 200601FH10345

Slight
51.5066, -0.2452
3 vehicles 1 casualty
AUDI A4 SUZUKI GSF 1200 (1y) AUDI A8
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Accident 200601XD80589

Slight
51.5065, -0.2569
2 vehicles 1 casualty
NISSAN Model Missing HYOSUNG CRUISE (4y)
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Accident 200601XD80609

Slight
51.5131, -0.3047
2 vehicles 1 casualty
HONDA VT125C (1y) HONDA Model Missing (4y)
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Accident 200601TB00181

Serious
51.5110, -0.3749
2 vehicles 7 casualties
RENAULT CLIO (3y) RENAULT CLIO (3y)
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