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CrashStats

HA6 road accidents: crash map and statistics

Police recorded 2,602 road traffic collisions in the HA6 postcode district, Hillingdon, from 1979 to 2025, and 3,395 people were killed or injured in them. Of those collisions, 25 were fatal and 510 were serious.

In 2025 police recorded 26 collisions, up 18% on 2024 (22).

Collisions since 1979
2,602
1,474th of 2,813 postcode districts, highest first
Casualties
3,395
1.30 per collision
Fatal collisions
25
25 people killed
Serious collisions
510
586 seriously injured
Collisions in 2025
26
Up 18% on 2024
Casualties in 2025
26
Down 4% on 2024

Road collision statistics for HA6

Collisions by severity, 1979 to 2025

  • Fatal251%
  • Serious51020%
  • Slight2,06779%

What the data shows

  • HA6 had 286 collisions from 2016 to 2025, 24% fewer than the 376 from 2006 to 2015.
  • 21% of collisions in HA6 were fatal or serious, against 20% across Great Britain.
  • 354 children under 16 were killed or injured in HA6, 11% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 32% of collisions in HA6.

Where HA6 ranks among 2,813 postcode districts

Most collisions
1,474th
Most casualties
1,527th
Most fatal collisions
1,994th
Most serious collisions
1,463rd

Collisions by day of the week

  • Monday362 (14%)
  • Tuesday393 (15%)
  • Wednesday397 (15%)
  • Thursday403 (15%)
  • Friday416 (16%)
  • Saturday364 (14%)
  • Sunday267 (10%)

Light conditions

  • Daylight1,894 (73%)
  • Dark, street lights lit658 (25%)
  • Dark, lighting unknown24 (0.9%)
  • Dark, street lights unlit15 (0.6%)
  • Dark, no street lighting11 (0.4%)

Type of road

  • Single carriageway2,363 (91%)
  • Dual carriageway111 (4.3%)
  • Roundabout94 (3.6%)
  • One way street or slip road11 (0.4%)
  • Not recorded23 (0.9%)

Speed limit at the scene

  • 20 mph19 (0.7%)
  • 30 mph2,055 (79%)
  • 40 mph495 (19%)
  • 50 mph5 (0.2%)
  • 60 mph26 (1%)
  • 70 mph1 (under 0.1%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds2,066 (79%)
  • Raining, no high winds376 (14%)
  • Fine with high winds26 (1%)
  • Raining with high winds22 (0.8%)
  • Snowing, no high winds16 (0.6%)
  • Fog or mist15 (0.6%)
  • Snowing with high winds2 (0.1%)
  • Other38 (1.5%)
  • Not recorded41 (1.6%)

Who was hurt

  • Car occupant2,238 (66%)
  • Pedestrian429 (13%)
  • Motorcyclist300 (8.8%)
  • Cyclist231 (6.8%)
  • Van occupant74 (2.2%)
  • Bus or coach occupant68 (2%)
  • Taxi or private hire car occupant26 (0.8%)
  • Other vehicle occupant13 (0.4%)
  • Goods vehicle occupant (over 3.5 tonnes)12 (0.4%)
  • Minibus occupant2 (0.1%)
  • Other1 (under 0.1%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

HA6 road accidents by year

Collisions and casualties in HA6, 1979 to 2025

Collisions in HA6 peaked at 110 in 1990; 2025 had 26.

  • Collisions
  • Collisions in 2025: 26
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252626
20242227
20233539
20222436
20213240
20202932
20192535
20183849
20173037
20162529
20153750
20143049
20132126
20123643
20113349
20104357
20094560
20083952
20074456
20064865
20054757
20044757
20036182
200277106
20017595
200072100
19996791
19986188
199782108
199677100
199573103
199479104
199378111
199295119
19917790
1990110142
198985100
198892115
198790129
198680102
198589119
198494122
198386100
198289122
19811420
19801719
19792637

Map of recent crashes in HA6

Map of the 24 most recent crashes in HA6

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in HA6

The 24 most recent collisions in HA6 happened between 2 February and 30 December 2025.

Severity

Crashes by road in HA6

The A404 has the most collisions in HA6, 795 of 2,602 (31%), followed by the A4125 (362).

Collisions in HA6 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4047951,0097160
2ndA4125362521469
3rdB472183209331
4thB469178202132
5thA4180157216129
6thB4555978018
7thB4685270015
8thB4542203505

Council areas covering HA6

Collisions in HA6 were recorded in 4 council areas. Hillingdon has 1,971 of 2,602 (76%).

Collisions in HA6 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stHillingdon1,9712,45817375
2ndThree Rivers6199218134
3rdHarrow6700
4thWatford6901

Towns in HA6

Collisions in HA6 were recorded in 2 towns, led by Hillingdon (1,883) and Eastbury, Three Rivers (426).