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CrashStats

Harrow road accidents in 2020: crash map and statistics

Police recorded 382 road traffic collisions in Harrow in 2020, and 443 people were killed or injured in them. Of those collisions, 3 were fatal and 47 were serious.

Collisions were down 11% on 2019 (428), and casualties fell from 500.

Across all years from 1979 to 2025, police recorded 27,989 collisions in Harrow.

Collisions in 2020
382
Down 11% on 2019
Casualties in 2020
443
Down 11% on 2019
Fatal collisions
3
0.8% of collisions
Serious collisions
47
12% of collisions

Crash severity in Harrow in 2020

0.8% of collisions in Harrow in 2020 were fatal and 12% serious, against 0.9% and 15% in Harrow from 1979 to 2025.

Collisions by worst injury

  • Fatal30.8%
  • Serious4712%
  • Slight33287%

People hurt, by injury

  • Fatal30.7%
  • Serious4911%
  • Slight39188%

Harrow road accidents by year

Collisions and casualties in Harrow, 1979 to 2025

Collisions peaked at 956 in 1979. 2020 is highlighted, with 382, down 11% on 2019.

  • Collisions
  • Collisions in 2020: 382
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025358412
2024359424
2023403466
2022422501
2021385450
2020382443
2019428500
2018414510
2017432518
2016418510
2015424548
2014486593
2013353442
2012392497
2011367422
2010428551
2009401508
2008372470
2007387496
2006454558
2005504640
2004582708
2003548675
2002560711
2001645798
2000614772
1999700857
1998686810
1997718875
1996705866
1995712862
1994726866
1993720861
1992696815
1991723873
1990803960
1989795957
1988791943
1987750862
1986762849
1985734888
1984813988
19838461,027
19829321,170
19819481,210
19809551,165
19799561,185

When and where crashes happen in Harrow in 2020

Collisions by day of the week

  • Monday52 (14%)
  • Tuesday62 (16%)
  • Wednesday55 (14%)
  • Thursday57 (15%)
  • Friday52 (14%)
  • Saturday63 (16%)
  • Sunday41 (11%)

Collisions by time of day

  • 00:00 to 02:5914 (3.7%)
  • 03:00 to 05:599 (2.4%)
  • 06:00 to 08:5934 (8.9%)
  • 09:00 to 11:5944 (12%)
  • 12:00 to 14:5980 (21%)
  • 15:00 to 17:5987 (23%)
  • 18:00 to 20:5984 (22%)
  • 21:00 to 23:5930 (7.9%)

Collisions by month

  • January38 (9.9%)
  • February31 (8.1%)
  • March38 (9.9%)
  • April11 (2.9%)
  • May30 (7.9%)
  • June24 (6.3%)
  • July41 (11%)
  • August45 (12%)
  • September27 (7.1%)
  • October40 (10%)
  • November31 (8.1%)
  • December26 (6.8%)

Light conditions

  • Daylight266 (70%)
  • Dark, street lights lit82 (21%)
  • Dark, lighting unknown32 (8.4%)
  • Dark, street lights unlit2 (0.5%)

Weather at the time

  • Fine, no high winds282 (74%)
  • Raining, no high winds53 (14%)
  • Fine with high winds8 (2.1%)
  • Raining with high winds5 (1.3%)
  • Snowing, no high winds1 (0.3%)
  • Other15 (3.9%)
  • Not recorded18 (4.7%)

Road surface

  • Dry273 (71%)
  • Wet or damp91 (24%)
  • Frost or ice1 (0.3%)
  • Not recorded17 (4.5%)

Speed limit at the scene

  • 20 mph64 (17%)
  • 30 mph312 (82%)
  • 40 mph4 (1%)
  • 60 mph2 (0.5%)

Type of road

  • Single carriageway266 (70%)
  • Dual carriageway41 (11%)
  • Roundabout39 (10%)
  • One way street or slip road15 (3.9%)
  • Not recorded21 (5.5%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Harrow in 2020

Casualties by road user

  • Car occupant206 (47%)
  • Motorcyclist76 (17%)
  • Pedestrian68 (15%)
  • Cyclist51 (12%)
  • Taxi or private hire car occupant16 (3.6%)
  • Van occupant11 (2.5%)
  • Bus or coach occupant10 (2.3%)
  • Other vehicle occupant2 (0.5%)
  • Goods vehicle occupant (weight unknown)1 (0.2%)
  • Not recorded2 (0.5%)

Casualties by age

  • 0 to 52 (0.5%)
  • 6 to 1010 (2.3%)
  • 11 to 158 (1.8%)
  • 16 to 2042 (9.5%)
  • 21 to 2545 (10%)
  • 26 to 35107 (24%)
  • 36 to 4585 (19%)
  • 46 to 5565 (15%)
  • 56 to 6535 (7.9%)
  • 66 to 7513 (2.9%)
  • Over 7512 (2.7%)
  • Not recorded19 (4.3%)

Drivers, passengers and pedestrians

  • Driver or rider311 (70%)
  • Pedestrian68 (15%)
  • Passenger64 (14%)

Vehicles involved

  • Car474 (68%)
  • Motorcycle84 (12%)
  • Pedal cycle51 (7.3%)
  • Van or goods vehicle up to 3.5 tonnes35 (5%)
  • Taxi or private hire car20 (2.9%)
  • Bus or coach18 (2.6%)
  • Goods vehicle over 3.5 tonnes3 (0.4%)
  • Minibus3 (0.4%)
  • Personal powered transporter (e-scooter or similar)3 (0.4%)
  • Goods vehicle, weight unknown2 (0.3%)
  • Other2 (0.3%)

Source: Department for Transport, STATS19 road safety data

Crash map for Harrow in 2020

Map of the last 24 crashes of 2020 and the 10 busiest accident hotspots in Harrow

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 24 crashes
  • Serious
  • Slight

Accident hotspots (10)

How Harrow ranked among 350 areas in 2020

Of the 350 areas in England, Scotland and Wales, Harrow had the 66th most road collisions in 2020.

Collisions
66th
highest of 350 areas
Casualties
75th
highest of 350 areas
Fatal collisions
145th
highest of 350 areas
Serious collisions
150th
highest of 350 areas

Accident hotspots in Harrow in 2020

Greenhill, Harrow, HA1 2EN area was the busiest accident hotspot in Harrow in 2020, with 45 collisions, 5 of them serious.

Roads in Harrow with the most crashes in 2020

The A404 and A410 had the most collisions in Harrow in 2020, with 33 each.

Roads ranked by collisions in Harrow, 2020
RankRoadCollisionsCasualtiesFatalSerious
1stA404333815
2ndA410333713
3rdA409263102
4thA4140202404
5thA312171903
6thA5172504
7thA4090131611
8thB4616601
9thA40054400
10thB4574401
11thA40083300
12thA40062200
13thA41272200
14thB4581101
15thB4591100

Towns in Harrow: crashes in 2020

Harrow itself had the most collisions of any town in the area in 2020: 356.

Postcode districts in Harrow: crashes in 2020

HA3 had the most collisions of any postcode district in Harrow in 2020: 95.

Latest crashes in Harrow in 2020

Of the last 24 crashes in Harrow in 2020, none were fatal and 2 were serious. The last was on 27 December 2020.

Severity

Harrow road accidents in other years