HP1 postcode district road traffic accidents
The HP1 postcode district recorded 2,158 collisions in the STATS19 data between 1999 and 2025, involving 2,902 casualties. Of these collisions, 22 were fatal and 339 were serious. Recorded collisions in 2025 were up 6% on 2024.
Severity Breakdown
- Fatal
- 22
- Serious
- 339
- Casualties
- 2,902
- Fatal
- 22
- Serious
- 339
- Casualties
- 2,902
Collisions by Year
Areas covering HP1
Towns in HP1
Roads in HP1
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the HP1 postcode district
Road collision statistics for the HP1 postcode district
Collisions recorded
2,158
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
2,902
Casualties recorded across every collision in this area.
Fatal collisions
22
Collisions in which at least one person died.
Serious collisions
339
16.7% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the HP1 postcode district
Collisions in the HP1 postcode district are most frequently recorded on a Thursday (15.9% of the total), with 27.5% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
72.5% of recorded collisions in the HP1 postcode district happen on a single carriageway. Around 22.6% were recorded in adverse weather such as rain, snow or fog.
The collisions in the HP1 postcode district have produced 2,902 casualties. Pedestrians account for 13.4% 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 213 collisions, Monday 311 collisions, Tuesday 309 collisions, Wednesday 339 collisions, Thursday 343 collisions, Friday 337 collisions, Saturday 306 collisions.
Light conditions
Light conditions: Daylight 1,564 collisions, Darkness 594 collisions.
Road type
Road type: Single carriageway 1,564 collisions, Dual carriageway 325 collisions, Roundabout 213 collisions, Slip road 19 collisions, One way street 17 collisions, One way street/Slip road 13 collisions, Unknown 7 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 10 collisions, 30 mph 1,634 collisions, 40 mph 152 collisions, 50 mph 45 collisions, 60 mph 144 collisions, 70 mph 173 collisions.
Weather at the time
Weather at the time: Fine no high winds 1,671 collisions, Raining no high winds 318 collisions, Other 73 collisions, Raining + high winds 28 collisions, Unknown 22 collisions.
Who was hurt
Who was hurt: Driver or rider 1,882 casualties, Passenger 632 casualties, Pedestrian 388 casualties.
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Recent Accidents
Showing 20 of 2,158 accidents
Accident 2022411245234
SeriousAccident 2022411252643
SlightAccident 2022411240425
SlightAccident 2022411236973
FatalAccident 2022411237168
SlightAccident 2022411232994
SeriousAccident 2022411303509
SlightAccident 2022411231479
SlightAccident 2022411231292
SlightAccident 2022411235104
SlightAccident 2022411239561
SeriousAccident 2022411226865
SlightAccident 2022411224870
SlightAccident 2022411234646
SlightAccident 2022411233812
SlightAccident 2022411228604
SlightAccident 2022411232952
SlightAccident 2022411212425
SlightAccident 2022411216561
SlightAccident 2022411216000
SeriousFrequently asked questions about road accidents in the HP1 postcode district
How many road accidents have there been in the HP1 postcode district?
2,158 collisions have been recorded in the HP1 postcode district in the STATS19 road safety data between 1999 and 2025, involving 2,902 casualties.
How many of the collisions in the HP1 postcode district were serious or fatal?
22 were fatal and 339 were serious — 16.7% of all recorded collisions in the HP1 postcode district resulted in a death or serious injury.
When do most road accidents happen in the HP1 postcode district?
Thursday is the most common day for collisions in the HP1 postcode district, accounting for 15.9% of them, and 27.5% of all collisions here happen in darkness.
What kind of roads do collisions in the HP1 postcode district happen on?
72.5% of collisions in the HP1 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the HP1 postcode district?
Pedestrians make up 13.4% of the 2,902 casualties recorded in the HP1 postcode district.
Is road safety in the HP1 postcode district getting better or worse?
Recorded collisions in the HP1 postcode district rose 6% in 2025 compared with 2024. 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 the HP1 postcode district 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 the HP1 postcode district cover 1999 to 2025.