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 201501XD81028

Slight
51.5109, -0.3742
2 vehicles 1 casualty
Car Motorcycle over 500cc
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Accident 201501XD81027

Serious
51.5066, -0.2546
1 vehicle 1 casualty
Car
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Accident 201501XD81035

Slight
51.5087, -0.3345
2 vehicles 1 casualty
MERCEDES A CLASS HARLEY-DAVIDSON Model Missing
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Accident 201501FH10622

Serious
51.5050, -0.2249
1 vehicle 1 casualty
Motorcycle 125cc and under
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Accident 201501XD81065

Slight
51.5109, -0.3741
1 vehicle 2 casualties
PIAGGIO FLY
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Accident 201501XH30822

Slight
51.5252, -0.4335
2 vehicles 1 casualty
MERCEDES C CLASS (4y) Lexmoto ZN 125
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Accident 201501FH10620

Slight
51.5045, -0.2211
1 vehicle 1 casualty
HONDA Model Missing
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Accident 201501XD80987

Slight
51.5103, -0.3226
1 vehicle 1 casualty
Pedal cycle
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Accident 201501XD81016

Slight
51.5085, -0.3397
2 vehicles 1 casualty
Motorcycle over 500cc PEUGEOT BOXER
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Accident 201501XH30813

Slight
51.5171, -0.4035
3 vehicles 3 casualties
VAUXHALL ZAFIRA BMW 5 SERIES (4y) VAUXHALL CORSA (3y)
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Accident 201501XD81094

Serious
51.5087, -0.3345
2 vehicles 1 casualty
HONDA CBR125R RENAULT MASTER
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Accident 201501XD80998

Slight
51.5110, -0.3186
2 vehicles 1 casualty
HYUNDAI SANTA FE Car
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Accident 201501XH30818

Slight
51.5151, -0.3965
2 vehicles 1 casualty
TOYOTA YARIS Pedal cycle
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Accident 201501XD81015

Slight
51.5104, -0.3626
2 vehicles 1 casualty
MERCEDES E CLASS (4y) FIAT PUNTO
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Accident 201501FH10565

Slight
51.5050, -0.2241
2 vehicles 1 casualty
MG TF SUZUKI GSXR 600
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Accident 201501FH10569

Slight
51.5053, -0.2259
2 vehicles 1 casualty
VAUXHALL ASTRAVAN Pedal cycle
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Accident 201501XD80997

Slight
51.5065, -0.2647
1 vehicle 2 casualties
HONDA SCV100F
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Accident 201501XH30811

Slight
51.5177, -0.4068
1 vehicle 1 casualty
ALEXANDER DENNIS Model Missing
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Accident 201501XD81003

Slight
51.5064, -0.2605
2 vehicles 1 casualty
Pedal cycle Car
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Accident 201501FH10575

Slight
51.5046, -0.2220
1 vehicle 1 casualty
MINI JOHN COOPER WORKS (1y)
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