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CrashStats

Hillingdon road accidents in 2021: crash map and statistics

Collisions in 2021
581
Up 6% on 2020
Casualties in 2021
706
Up 3% on 2020
Fatal collisions
4
0.7% of collisions
Serious collisions
83
14% of collisions

Crash severity in Hillingdon in 2021

0.7% of collisions in Hillingdon in 2021 were fatal and 14% serious, against 0.9% and 15% in Hillingdon from 1979 to 2025.

Collisions by worst injury

  • Fatal40.7%
  • Serious8314%
  • Slight49485%

People hurt, by injury

  • Fatal40.6%
  • Serious8712%
  • Slight61587%

Hillingdon road accidents by year

Collisions and casualties in Hillingdon, 1979 to 2025

Collisions peaked at 1,463 in 1989. 2021 is highlighted, with 581, up 6% on 2020.

  • Collisions
  • Collisions in 2021: 581
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025637785
2024624755
2023631782
2022687880
2021581706
2020549684
2019683860
2018727921
2017761995
2016649813
2015724969
2014700944
2013543700
20128011,055
2011750946
20108221,080
2009732971
2008753960
20077851,030
20068131,037
20058941,140
20041,0541,320
20031,0521,367
20021,1391,497
20011,1961,592
20001,2331,555
19991,1701,500
19981,1751,476
19971,3121,618
19961,2621,516
19951,2721,611
19941,2891,705
19931,3091,724
19921,2441,600
19911,3641,645
19901,4331,831
19891,4631,802
19881,3261,668
19871,3031,627
19861,2751,568
19851,3291,649
19841,3701,651
19831,2601,516
19821,3271,650
19811,2671,652
19801,3071,604
19791,3431,683

When and where crashes happen in Hillingdon in 2021

Collisions by day of the week

  • Monday77 (13%)
  • Tuesday70 (12%)
  • Wednesday80 (14%)
  • Thursday91 (16%)
  • Friday101 (17%)
  • Saturday103 (18%)
  • Sunday59 (10%)

Collisions by time of day

  • 00:00 to 02:5932 (5.5%)
  • 03:00 to 05:5911 (1.9%)
  • 06:00 to 08:5971 (12%)
  • 09:00 to 11:5955 (9.5%)
  • 12:00 to 14:59108 (19%)
  • 15:00 to 17:59132 (23%)
  • 18:00 to 20:59121 (21%)
  • 21:00 to 23:5951 (8.8%)

Collisions by month

  • January23 (4%)
  • February35 (6%)
  • March38 (6.5%)
  • April37 (6.4%)
  • May55 (9.5%)
  • June62 (11%)
  • July45 (7.7%)
  • August50 (8.6%)
  • September55 (9.5%)
  • October65 (11%)
  • November67 (12%)
  • December49 (8.4%)

Light conditions

  • Daylight382 (66%)
  • Dark, street lights lit171 (29%)
  • Dark, lighting unknown14 (2.4%)
  • Dark, street lights unlit8 (1.4%)
  • Dark, no street lighting6 (1%)

Weather at the time

  • Fine, no high winds442 (76%)
  • Raining, no high winds62 (11%)
  • Fine with high winds7 (1.2%)
  • Raining with high winds7 (1.2%)
  • Snowing, no high winds3 (0.5%)
  • Fog or mist2 (0.3%)
  • Other36 (6.2%)
  • Not recorded22 (3.8%)

Road surface

  • Dry437 (75%)
  • Wet or damp115 (20%)
  • Frost or ice2 (0.3%)
  • Snow2 (0.3%)
  • Not recorded25 (4.3%)

Speed limit at the scene

  • 20 mph62 (11%)
  • 30 mph363 (62%)
  • 40 mph75 (13%)
  • 50 mph49 (8.4%)
  • 60 mph9 (1.5%)
  • 70 mph23 (4%)

Type of road

  • Single carriageway308 (53%)
  • Dual carriageway139 (24%)
  • Roundabout63 (11%)
  • One way street or slip road36 (6.2%)
  • Not recorded35 (6%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Hillingdon in 2021

Casualties by road user

  • Car occupant373 (53%)
  • Pedestrian105 (15%)
  • Motorcyclist98 (14%)
  • Cyclist59 (8.4%)
  • Bus or coach occupant21 (3%)
  • Van occupant18 (2.5%)
  • Taxi or private hire car occupant13 (1.8%)
  • Other vehicle occupant3 (0.4%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (0.3%)
  • Agricultural vehicle occupant1 (0.1%)
  • Not recorded13 (1.8%)

Casualties by age

  • 0 to 58 (1.1%)
  • 6 to 1020 (2.8%)
  • 11 to 1528 (4%)
  • 16 to 2060 (8.5%)
  • 21 to 2591 (13%)
  • 26 to 35153 (22%)
  • 36 to 45117 (17%)
  • 46 to 5595 (13%)
  • 56 to 6557 (8.1%)
  • 66 to 7521 (3%)
  • Over 7517 (2.4%)
  • Not recorded39 (5.5%)

Drivers, passengers and pedestrians

  • Driver or rider462 (65%)
  • Passenger139 (20%)
  • Pedestrian105 (15%)

Vehicles involved

  • Car762 (71%)
  • Motorcycle102 (9.5%)
  • Van or goods vehicle up to 3.5 tonnes66 (6.1%)
  • Pedal cycle60 (5.6%)
  • Bus or coach23 (2.1%)
  • Taxi or private hire car21 (1.9%)
  • Goods vehicle over 3.5 tonnes17 (1.6%)
  • Personal powered transporter (e-scooter or similar)13 (1.2%)
  • Other vehicle6 (0.6%)
  • Goods vehicle, weight unknown4 (0.4%)
  • Other3 (0.3%)

Source: Department for Transport, STATS19 road safety data

Crash map for Hillingdon in 2021

Map of the last 24 crashes of 2021 and the 10 busiest accident hotspots in Hillingdon

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

  • 24 crashes
  • Serious
  • Slight

Accident hotspots (10)

How Hillingdon ranked among 350 areas in 2021

Of the 350 areas in England, Scotland and Wales, Hillingdon had the 45th most road collisions in 2021.

Collisions
45th
highest of 350 areas
Casualties
42nd
highest of 350 areas
Fatal collisions
117th
highest of 350 areas
Serious collisions
72nd
highest of 350 areas

Roads in Hillingdon with the most crashes in 2021

The A4020 had the most collisions in Hillingdon in 2021: 46, including 1 fatal and 7 serious.

Roads ranked by collisions in Hillingdon, 2021
RankRoadCollisionsCasualtiesFatalSerious
1stA4020465417
2ndA408455406
3rdA312263302
4thM4254101
5thA437242705
6thA4180222803
7thB466202204
8thA40193210
9thB467141600
10thA4121503
11thA404111600
12thB4837700
13thA306710
14thA30444401
15thB4724400
16thM254711
17thB33783301
18thB4653301
19thA40072200
20thB4692200

Towns in Hillingdon: crashes in 2021

Hillingdon itself had the most collisions of any town in the area in 2021: 468.

Latest crashes in Hillingdon in 2021

Of the last 24 crashes in Hillingdon in 2021, none were fatal and 4 were serious. The last was on 29 December 2021.

Severity

Hillingdon road accidents in other years