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CrashStats

HA2 road accidents: crash map and statistics

Police recorded 5,539 road traffic collisions in the HA2 postcode district, Harrow, from 1982 to 2025, and 6,679 people were killed or injured in them. Of those collisions, 33 were fatal and 798 were serious.

In 2025 police recorded 92 collisions, up 31% on 2024 (70).

Collisions since 1982
5,539
414th highest of 2,813 postcode districts
Casualties
6,679
1.21 per collision
Fatal collisions
33
33 people killed
Serious collisions
798
853 seriously injured
Collisions in 2025
92
Up 31% on 2024
Casualties in 2025
105
Up 31% on 2024

Road collision statistics for HA2

Collisions by severity, 1982 to 2025

  • Fatal330.6%
  • Serious79814%
  • Slight4,70885%

What the data shows

  • HA2 had 931 collisions from 2016 to 2025, about the same as the 923 from 2006 to 2015.
  • 15% of collisions in HA2 were fatal or serious, against 20% across Great Britain.
  • 852 children under 16 were killed or injured in HA2, 14% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 25% of collisions in HA2.

Where HA2 ranks among 2,813 postcode districts

Most collisions
414th
Most casualties
547th
Most fatal collisions
1,756th
Most serious collisions
746th

Collisions by day of the week

  • Monday730 (13%)
  • Tuesday861 (16%)
  • Wednesday790 (14%)
  • Thursday830 (15%)
  • Friday890 (16%)
  • Saturday820 (15%)
  • Sunday618 (11%)

Light conditions

  • Daylight3,797 (69%)
  • Dark, street lights lit1,640 (30%)
  • Dark, lighting unknown76 (1.4%)
  • Dark, street lights unlit19 (0.3%)
  • Dark, no street lighting7 (0.1%)

Type of road

  • Single carriageway4,894 (88%)
  • Dual carriageway336 (6.1%)
  • Roundabout167 (3%)
  • One way street or slip road78 (1.4%)
  • Not recorded64 (1.2%)

Speed limit at the scene

  • 20 mph142 (2.6%)
  • 30 mph5,361 (97%)
  • 40 mph31 (0.6%)
  • 50 mph1 (under 0.1%)
  • 60 mph2 (under 0.1%)
  • 70 mph1 (under 0.1%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds4,558 (82%)
  • Raining, no high winds673 (12%)
  • Fine with high winds45 (0.8%)
  • Raining with high winds28 (0.5%)
  • Fog or mist25 (0.5%)
  • Snowing, no high winds17 (0.3%)
  • Snowing with high winds1 (under 0.1%)
  • Other78 (1.4%)
  • Not recorded114 (2.1%)

Who was hurt

  • Car occupant3,528 (53%)
  • Pedestrian1,412 (21%)
  • Motorcyclist828 (12%)
  • Cyclist507 (7.6%)
  • Bus or coach occupant188 (2.8%)
  • Van occupant131 (2%)
  • Taxi or private hire car occupant50 (0.7%)
  • Other vehicle occupant22 (0.3%)
  • Goods vehicle occupant (over 3.5 tonnes)6 (0.1%)
  • Minibus occupant3 (under 0.1%)
  • Not recorded4 (0.1%)

Source: Department for Transport, STATS19 road safety data

HA2 road accidents by year

Collisions and casualties in HA2, 1982 to 2025

Collisions in HA2 peaked at 183 in 1982; 2025 had 92.

  • Collisions
  • Collisions in 2025: 92
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202592105
20247080
20237887
202294110
202190104
202088107
2019118147
201893114
201795115
2016113147
201589117
2014132169
201376105
20127998
20117589
201083108
200984103
200892126
200789107
2006124155
2005107136
2004156188
2003123168
2002143178
2001168193
2000136168
1999130161
1998146170
1997170205
1996164200
1995155187
1994148173
1993121140
1992140155
1991163195
1990166184
1989178205
1988169192
1987162183
1986157183
1985165201
1984160195
1983175213
1982183213

Map of recent crashes in HA2

Map of the 24 most recent crashes in HA2

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in HA2

The 24 most recent collisions in HA2 happened between 26 August and 31 December 2025.

Severity

Crashes by road in HA2

The A4090 has the most collisions in HA2, 1,298 of 5,539 (23%), followed by the A312 (961).

Collisions in HA2 on each road, 1982 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA40901,2981,6058166
2ndA3129611,1226125
3rdA404318383153
4thB457638009
5thA4005111201

Council areas covering HA2

Collisions in HA2 were recorded in 4 council areas. Harrow has 5,331 of 5,539 (96%).

Collisions in HA2 by council area, 1982 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stHarrow5,3316,41833770
2ndHillingdon128156023
3rdEaling709303
4thBrent7701

Towns in HA2

Collisions in HA2 were recorded in 3 towns, led by Harrow (5,340) and Hillingdon (42).