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 200201XS00509

Slight
51.5126, -0.3081
1 vehicle 1 casualty
Vehicle
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Accident 200201XH00399

Slight
51.5134, -0.3923
2 vehicles 2 casualties
VAUXHALL ASTRA NISSAN PRIMERA
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Accident 200243P049052

Slight
51.7073, -1.0033
2 vehicles 1 casualty
VAUXHALL NOVA (1y) MERCEDES E CLASS
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Accident 200201FH00269

Slight
51.5046, -0.2218
1 vehicle 1 casualty
DENNIS Model Missing (3y)
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Accident 200201XS00502

Slight
51.5131, -0.2972
1 vehicle 2 casualties
YAMAHA YQ 100 (1y)
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Accident 200201XS00505

Slight
51.5084, -0.2792
2 vehicles 2 casualties
FIAT PUNTO PEUGEOT 205
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Accident 200201XS00520

Slight
51.5111, -0.3756
2 vehicles 1 casualty
Vehicle NISSAN PRIMERA
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Accident 200201XH00409

Slight
51.5154, -0.3977
2 vehicles 1 casualty
VAUXHALL CAVALIER PEUGEOT 309
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Accident 200201FH00262

Slight
51.5064, -0.2396
1 vehicle 1 casualty
FORD ESCORT
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Accident 200201XS00473

Slight
51.5090, -0.3525
2 vehicles 1 casualty
FORD FIESTA ROVER 400 SERIES
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Accident 200201XH00347

Slight
51.5210, -0.4169
2 vehicles 1 casualty
PEUGEOT VIVACITY (1y) FORD FIESTA
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Accident 200243N254042

Slight
51.5541, -0.4892
2 vehicles 1 casualty
Vehicle Pedal cycle
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Accident 200201XH00345

Slight
51.5440, -0.4747
2 vehicles 1 casualty
VAUXHALL VECTRA ROVER 400 SERIES
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Accident 200201XH00340

Slight
51.5209, -0.4167
2 vehicles 2 casualties
VAUXHALL VECTRA DENNIS Model Missing (2y)
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Accident 200201XS00438

Slight
51.5129, -0.3890
2 vehicles 1 casualty
YAMAHA Model Missing Vehicle
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Accident 200201XS00437

Slight
51.5091, -0.3534
2 vehicles 2 casualties
VAUXHALL ASTRA FORD FIESTA
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Accident 200201XS00476

Slight
51.5066, -0.2506
1 vehicle 1 casualty
Pedal cycle
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Accident 200201XH00314

Slight
51.5211, -0.4172
2 vehicles 3 casualties
NISSAN PRIMERA HONDA ACCORD
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Accident 200201XS00463

Slight
51.5083, -0.2762
1 vehicle 1 casualty
Vehicle
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Accident 200201FH00238

Slight
51.5064, -0.2354
1 vehicle 1 casualty
HONDA CIVIC
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