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CrashStats

UB8 road accidents: crash map and statistics

Police recorded 5,935 road traffic collisions in the UB8 postcode district, Hillingdon, from 1979 to 2025, and 7,213 people were killed or injured in them. Of those collisions, 37 were fatal and 872 were serious.

In 2025 police recorded 87 collisions, down 11% on 2024 (98).

Collisions since 1979
5,935
339th highest of 2,813 postcode districts
Casualties
7,213
1.22 per collision
Fatal collisions
37
37 people killed
Serious collisions
872
945 seriously injured
Collisions in 2025
87
Down 11% on 2024
Casualties in 2025
109
Down 4% on 2024

Road collision statistics for UB8

Collisions by severity, 1979 to 2025

  • Fatal370.6%
  • Serious87215%
  • Slight5,02685%

What the data shows

  • UB8 had 913 collisions from 2016 to 2025, 3% fewer than the 940 from 2006 to 2015.
  • 15% of collisions in UB8 were fatal or serious, against 20% across Great Britain.
  • 689 children under 16 were killed or injured in UB8, 10% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 26% of collisions in UB8.

Where UB8 ranks among 2,813 postcode districts

Most collisions
339th
Most casualties
441st
Most fatal collisions
1,608th
Most serious collisions
585th

Collisions by day of the week

  • Monday882 (15%)
  • Tuesday917 (15%)
  • Wednesday937 (16%)
  • Thursday916 (15%)
  • Friday991 (17%)
  • Saturday753 (13%)
  • Sunday539 (9.1%)

Light conditions

  • Daylight4,267 (72%)
  • Dark, street lights lit1,589 (27%)
  • Dark, lighting unknown42 (0.7%)
  • Dark, street lights unlit24 (0.4%)
  • Dark, no street lighting13 (0.2%)

Type of road

  • Single carriageway3,896 (66%)
  • Dual carriageway1,041 (18%)
  • Roundabout830 (14%)
  • One way street or slip road114 (1.9%)
  • Not recorded54 (0.9%)

Speed limit at the scene

  • 20 mph70 (1.2%)
  • 30 mph5,059 (85%)
  • 40 mph545 (9.2%)
  • 50 mph74 (1.2%)
  • 60 mph39 (0.7%)
  • 70 mph148 (2.5%)

Weather at the time

  • Fine, no high winds4,840 (82%)
  • Raining, no high winds784 (13%)
  • Fine with high winds50 (0.8%)
  • Raining with high winds33 (0.6%)
  • Snowing, no high winds22 (0.4%)
  • Fog or mist19 (0.3%)
  • Snowing with high winds4 (0.1%)
  • Other111 (1.9%)
  • Not recorded72 (1.2%)

Who was hurt

  • Car occupant3,952 (55%)
  • Pedestrian1,169 (16%)
  • Motorcyclist872 (12%)
  • Cyclist698 (9.7%)
  • Bus or coach occupant245 (3.4%)
  • Van occupant167 (2.3%)
  • Taxi or private hire car occupant37 (0.5%)
  • Other vehicle occupant31 (0.4%)
  • Goods vehicle occupant (over 3.5 tonnes)24 (0.3%)
  • Minibus occupant9 (0.1%)
  • Other6 (0.1%)
  • Not recorded3 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

UB8 road accidents by year

Collisions and casualties in UB8, 1979 to 2025

Collisions in UB8 peaked at 222 in 1989; 2025 had 87.

  • Collisions
  • Collisions in 2025: 87
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202587109
202498114
202390101
202297128
20218086
20208496
2019107129
20188599
201799123
20168698
2015106131
201492122
20136384
201290111
201197112
2010113146
200996128
2008112142
200793109
200678102
200594113
2004129157
2003135177
2002147188
2001165215
2000176209
1999146176
1998146186
1997171199
1996170199
1995169211
1994158195
1993179226
1992165196
1991176202
1990214251
1989222270
1988197237
1987208251
1986175199
1985179222
1984199232
1983175203
1982186226
198100
198000
197913

Map of recent crashes in UB8

Map of the 24 most recent crashes in UB8

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in UB8

The 24 most recent collisions in UB8 happened between 9 November and 29 December 2025.

Severity

Crashes by road in UB8

The A408 has the most collisions in UB8, 1,189 of 5,935 (20%), followed by the A4020 (794).

Collisions in UB8 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4081,1891,4977191
2ndA40207949774114
3rdA437347431443
4thA40344437232
5thB483313379137
6thB465238297234
7thB467231277023
8thA4007197234231
9thB464166200329
10thB4705372011
11thM25263804

Council areas covering UB8

Collisions in UB8 were recorded in 2 council areas. Hillingdon has 5,892 of 5,935 (99%).

Collisions in UB8 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stHillingdon5,8927,14737866
2ndBuckinghamshire406306

Town in UB8

Of the 5,935 collisions in UB8, 5,494 (93%) were in Hillingdon.