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 2018010120699

Slight
51.5114, -0.3802
1 vehicle 1 casualty
Car
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Accident 2018010120445

Serious
51.5104, -0.3220
1 vehicle 1 casualty
BMW 5 SERIES
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Accident 2018430224354

Slight
51.5539, -0.4888
2 vehicles 2 casualties
FIAT 500 (2y) AUDI R8 (3y)
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Accident 2018010119351

Slight
51.5161, -0.4011
2 vehicles 1 casualty
NISSAN MICRA MERCEDES Model Missing
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Accident 2018010119048

Slight
51.5114, -0.3157
2 vehicles 1 casualty
MERCEDES SPRINTER Pedal cycle
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Accident 2018010118463

Slight
51.5152, -0.3968
1 vehicle 2 casualties
VOLVO Model Missing
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Accident 2018010117942

Slight
51.5179, -0.4071
3 vehicles 2 casualties
VAUXHALL ASTRA FORD FOCUS BMW 5 SERIES
View Details

Accident 2018010119421

Slight
51.5128, -0.3083
2 vehicles 1 casualty
TOYOTA PRIUS Pedal cycle
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Accident 2018010117765

Slight
51.5123, -0.3104
1 vehicle 1 casualty
VOLVO Model Missing
View Details

Accident 2018010117767

Slight
51.5108, -0.3641
1 vehicle 1 casualty
VOLVO Model Missing
View Details

Accident 2018010117555

Slight
51.5093, -0.3293
2 vehicles 1 casualty
HONDA NSC110E (1y) BMW 3 SERIES
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Accident 2018010117536

Slight
51.5135, -0.2980
2 vehicles 1 casualty
FORD FIESTA Pedal cycle
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Accident 2018010117469

Slight
51.5065, -0.2569
2 vehicles 1 casualty
Car Pedal cycle
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Accident 2018010117260

Slight
51.5132, -0.3903
3 vehicles 1 casualty
VOLKSWAGEN POLO JAGUAR XF SERIES SUZUKI SX4
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Accident 2018010117038

Slight
51.5432, -0.4731
2 vehicles 1 casualty
RENAULT CAPTUR (2y) Pedal cycle
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Accident 2018010116777

Slight
51.5127, -0.3084
2 vehicles 1 casualty
BMW X1 (3y) YAMAHA YZF R125 (4y)
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Accident 2018010116499

Slight
51.5068, -0.2448
1 vehicle 1 casualty
VAUXHALL ASTRA
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Accident 2018010116461

Slight
51.5108, -0.3196
2 vehicles 2 casualties
VAUXHALL ASTRA AUDI Q5 (1y)
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Accident 2018010116411

Serious
51.5116, -0.2927
2 vehicles 5 casualties
VAUXHALL CORSA (3y) PEUGEOT 206
View Details

Accident 2018010116255

Slight
51.5128, -0.3067
1 vehicle 1 casualty
Pedal cycle
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