Hillingdon road traffic accidents
Hillingdon recorded 18,922 collisions in the STATS19 data between 1999 and 2024, involving 23,843 casualties. Of these collisions, 134 were fatal and 2,282 were serious. Recorded collisions in 2024 were up 3% on 2023.
Severity Breakdown
- Fatal
- 134
- Serious
- 2,282
- Casualties
- 23,843
- Fatal
- 134
- Serious
- 2,282
- Casualties
- 23,843
Collisions by Year
Areas covering Hillingdon
Roads in Hillingdon
Postcode districts in Hillingdon
Accidents in Hillingdon
Road collision statistics for Hillingdon
Collisions recorded
18,922
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
23,843
Casualties recorded across every collision in this area.
Fatal collisions
134
Collisions in which at least one person died.
Serious collisions
2,282
12.8% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in Hillingdon
Collisions in Hillingdon are most frequently recorded on a Friday (16.3% of the total), with 29.8% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
64.4% of recorded collisions in Hillingdon happen on a single carriageway. Around 18.1% were recorded in adverse weather such as rain, snow or fog.
The collisions in Hillingdon have produced 23,843 casualties. Pedestrians account for 15.1% of those casualties, a marker of the risk to people on foot here.
Collisions by day of the week
Collisions by day of the week: Sunday 2,040 collisions, Monday 2,713 collisions, Tuesday 2,830 collisions, Wednesday 2,908 collisions, Thursday 2,856 collisions, Friday 3,090 collisions, Saturday 2,485 collisions.
Light conditions
Light conditions: Daylight 13,284 collisions, Darkness 5,638 collisions.
Road type
Road type: Single carriageway 12,179 collisions, Dual carriageway 3,920 collisions, Roundabout 1,815 collisions, Unknown 299 collisions, One way street 296 collisions, Slip road 237 collisions, Other 176 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 541 collisions, 30 mph 14,511 collisions, 40 mph 2,620 collisions, 50 mph 797 collisions, 60 mph 115 collisions, 70 mph 333 collisions.
Weather at the time
Weather at the time: Fine no high winds 15,383 collisions, Raining no high winds 2,358 collisions, Other 478 collisions, Unknown 363 collisions, Fine + high winds 114 collisions.
Who was hurt
Who was hurt: Driver or rider 15,000 casualties, Passenger 5,239 casualties, Pedestrian 3,604 casualties.
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Recent Accidents
Showing 20 of 16,506 accidents
Accident 199901XH00231
SlightAccident 199901XH00220
SlightAccident 199901XH00230
SlightAccident 199901XH00251
SlightAccident 199901XH00224
SlightAccident 199901XH00216
SlightAccident 199901XH00260
SlightAccident 199901XH00242
SlightAccident 199901XH00218
SlightAccident 199901XH00217
SlightAccident 199901XH00229
SlightAccident 199901XH00215
SlightAccident 199901XH00208
SlightAccident 199901XH00214
SlightAccident 199901XH00207
SlightAccident 199901ID00021
SlightAccident 199901XH00199
SlightAccident 199901XH00269
SlightAccident 199901XH00198
SlightAccident 199901XH00209
SlightFrequently asked questions about road accidents in Hillingdon
How many road accidents have there been in Hillingdon?
18,922 collisions have been recorded in Hillingdon in the STATS19 road safety data between 1999 and 2024, involving 23,843 casualties.
How many of the collisions in Hillingdon were serious or fatal?
134 were fatal and 2,282 were serious — 12.8% of all recorded collisions in Hillingdon resulted in a death or serious injury.
When do most road accidents happen in Hillingdon?
Friday is the most common day for collisions in Hillingdon, accounting for 16.3% of them, and 29.8% of all collisions here happen in darkness.
What kind of roads do collisions in Hillingdon happen on?
64.4% of collisions in Hillingdon are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in Hillingdon?
Pedestrians make up 15.1% of the 23,843 casualties recorded in Hillingdon.
Is road safety in Hillingdon getting better or worse?
Recorded collisions in Hillingdon rose 3% in 2024 compared with 2023. Year-on-year figures move with both genuine risk and changes in reporting, so they are best read as a trend rather than a single verdict.
Where does the road accident data for Hillingdon come from?
It comes from STATS19, the official record of personal-injury road collisions reported to the police and published by the Department for Transport. The figures for Hillingdon cover 1999 to 2024.