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CrashStats

HA9 road accidents: crash map and statistics

Collisions since 1982
7,053
181st highest of 2,813 postcode districts
Casualties
8,502
1.21 per collision
Fatal collisions
53
54 people killed
Serious collisions
1,025
1,110 seriously injured
Collisions in 2025
100
Down 10% on 2024
Casualties in 2025
113
Down 16% on 2024

Road collision statistics for HA9

Collisions by severity, 1982 to 2025

  • Fatal530.8%
  • Serious1,02515%
  • Slight5,97585%

What the data shows

  • HA9 had 1,287 collisions from 2016 to 2025, 14% more than the 1,129 from 2006 to 2015.
  • 15% of collisions in HA9 were fatal or serious, against 20% across Great Britain.
  • 818 children under 16 were killed or injured in HA9, 10% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 24% of collisions in HA9.

Where HA9 ranks among 2,813 postcode districts

Most collisions
181st
Most casualties
266th
Most fatal collisions
1,101st
Most serious collisions
368th

Collisions by day of the week

  • Monday1,007 (14%)
  • Tuesday992 (14%)
  • Wednesday1,055 (15%)
  • Thursday1,021 (14%)
  • Friday1,109 (16%)
  • Saturday977 (14%)
  • Sunday892 (13%)

Light conditions

  • Daylight4,920 (70%)
  • Dark, street lights lit2,028 (29%)
  • Dark, lighting unknown60 (0.9%)
  • Dark, street lights unlit32 (0.5%)
  • Dark, no street lighting13 (0.2%)

Type of road

  • Single carriageway6,018 (85%)
  • Dual carriageway561 (8%)
  • One way street or slip road231 (3.3%)
  • Roundabout96 (1.4%)
  • Not recorded147 (2.1%)

Speed limit at the scene

  • 20 mph260 (3.7%)
  • 30 mph6,643 (94%)
  • 40 mph95 (1.3%)
  • 50 mph47 (0.7%)
  • 60 mph4 (0.1%)
  • 70 mph4 (0.1%)

Weather at the time

  • Fine, no high winds5,820 (83%)
  • Raining, no high winds859 (12%)
  • Fine with high winds57 (0.8%)
  • Raining with high winds36 (0.5%)
  • Snowing, no high winds21 (0.3%)
  • Fog or mist14 (0.2%)
  • Snowing with high winds4 (0.1%)
  • Other110 (1.6%)
  • Not recorded132 (1.9%)

Who was hurt

  • Car occupant4,228 (50%)
  • Pedestrian1,925 (23%)
  • Motorcyclist1,182 (14%)
  • Cyclist445 (5.2%)
  • Bus or coach occupant436 (5.1%)
  • Van occupant168 (2%)
  • Taxi or private hire car occupant70 (0.8%)
  • Other vehicle occupant17 (0.2%)
  • Goods vehicle occupant (over 3.5 tonnes)12 (0.1%)
  • Minibus occupant10 (0.1%)
  • Other1 (under 0.1%)
  • Not recorded8 (0.1%)

Source: Department for Transport, STATS19 road safety data

HA9 road accidents by year

Collisions and casualties in HA9, 1982 to 2025

Collisions in HA9 peaked at 230 in 1990; 2025 had 100.

  • Collisions
  • Collisions in 2025: 100
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025100113
2024111135
2023143169
2022151167
2021127143
202090102
2019130162
2018130151
2017153190
2016152180
2015134164
2014134150
2013116137
2012120139
2011118132
2010124148
2009103130
200882102
200795122
2006103126
2005146175
2004144172
2003200241
2002181242
2001174225
2000191238
1999190238
1998182215
1997177230
1996179225
1995195234
1994195218
1993206243
1992196252
1991210257
1990230282
1989209251
1988226255
1987201253
1986163196
1985194234
1984200222
1983228259
1982220283

Map of recent crashes in HA9

Map of the 24 most recent crashes in HA9

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in HA9

The 24 most recent collisions in HA9 happened between 7 October and 25 December 2025.

Severity

Crashes by road in HA9

The A404 has the most collisions in HA9, 1,902 of 7,053 (27%), followed by the A4088 (1,340).

Collisions in HA9 on each road, 1982 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4041,9022,21517278
2ndA40881,3401,6708197
3rdA4089736883481
4thB4565441521353
5thA406118143221
6thB455798123014
7thA417988106111
8thA414076108222

Council areas covering HA9

Collisions in HA9 were recorded in 2 council areas. Brent has 7,047 of 7,053 (99.9%).

Collisions in HA9 by council area, 1982 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stBrent7,0478,494531,025
2ndHertsmere4600

Town in HA9

Of the 7,053 collisions in HA9, 7,050 (100%) were in Brent.