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 2018010089863

Slight
51.5141, -0.3943
2 vehicles 2 casualties
FORD FIESTA VOLKSWAGEN GOLF
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Accident 2018010087469

Slight
51.5196, -0.4141
3 vehicles 1 casualty
CITROEN C4 (3y) BMW 3 SERIES Car
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Accident 2018010086777

Slight
51.5075, -0.2726
1 vehicle 1 casualty
WRIGHTBUS NB4L (3y)
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Accident 2018010086545

Slight
51.5064, -0.2373
2 vehicles 1 casualty
Van / Goods 3.5 tonnes mgw or under Pedal cycle
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Accident 2018010086376

Slight
51.5067, -0.2462
2 vehicles 1 casualty
VAUXHALL CORSA Motorcycle 50cc and under (3y)
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Accident 2018010086225

Serious
51.5064, -0.2372
2 vehicles 1 casualty
HONDA WW125EX2 (4y) MERCEDES CLA CLASS (1y)
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Accident 2018010085668

Slight
51.5361, -0.4696
1 vehicle 2 casualties
FORD FIESTA
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Accident 2018010087087

Slight
51.5072, -0.2710
1 vehicle 1 casualty
Bus or coach (17 or more pass seats)
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Accident 2018010085075

Slight
51.5087, -0.3348
2 vehicles 1 casualty
VOLKSWAGEN CADDY MITSUBISHI COLT
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Accident 2018010084889

Slight
51.5123, -0.3842
2 vehicles 3 casualties
BMW 5 SERIES SEAT LEON
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Accident 2018010084654

Slight
51.5092, -0.3539
2 vehicles 1 casualty
FORD KA+ (1y) SMART FORTWO (2y)
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Accident 2018010084177

Serious
51.5083, -0.2750
1 vehicle 1 casualty
VOLVO Model Missing
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Accident 2018010083978

Slight
51.5083, -0.2751
3 vehicles 1 casualty
Car (3y) MERCEDES Model Missing MERCEDES E CLASS
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Accident 2018010088377

Slight
51.5109, -0.2902
1 vehicle 1 casualty
Car
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Accident 2018010082400

Slight
51.5096, -0.3299
2 vehicles 1 casualty
CITROEN RELAY HONDA SH125
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Accident 2018010089580

Slight
51.5046, -0.2218
2 vehicles 1 casualty
Pedal cycle Motorcycle 50cc and under
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Accident 2018010085438

Slight
51.5099, -0.2869
2 vehicles 1 casualty
SAAB 9-3 VOLKSWAGEN TIGUAN
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Accident 2018010081737

Serious
51.5103, -0.3612
3 vehicles 2 casualties
YAMAHA YZF R125 (4y) NISSAN MICRA MAZDA MX-5
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Accident 2018010081125

Slight
51.5110, -0.3186
2 vehicles 1 casualty
ALEXANDER DENNIS Model Missing (1y) CITROEN RELAY (4y)
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Accident 2017010080073

Slight
51.5112, -0.3160
2 vehicles 1 casualty
TOYOTA AVENSIS Car
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