SN15 postcode district road traffic accidents
The SN15 postcode district recorded 2,604 collisions in the STATS19 data between 1999 and 2025, involving 3,656 casualties. Of these collisions, 43 were fatal and 386 were serious. Recorded collisions in 2025 were up 43% on 2024.
Severity Breakdown
- Fatal
- 43
- Serious
- 386
- Casualties
- 3,656
- Fatal
- 43
- Serious
- 386
- Casualties
- 3,656
Collisions by Year
Areas covering SN15
Towns in SN15
Roads in SN15
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the SN15 postcode district
Road collision statistics for the SN15 postcode district
Collisions recorded
2,604
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
3,656
Casualties recorded across every collision in this area.
Fatal collisions
43
Collisions in which at least one person died.
Serious collisions
386
16.5% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the SN15 postcode district
Collisions in the SN15 postcode district are most frequently recorded on a Friday (17% of the total), with 26.1% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
69.4% of recorded collisions in the SN15 postcode district happen on a single carriageway. Around 19.8% were recorded in adverse weather such as rain, snow or fog.
The collisions in the SN15 postcode district have produced 3,656 casualties. Pedestrians account for 7.8% 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 286 collisions, Monday 395 collisions, Tuesday 406 collisions, Wednesday 367 collisions, Thursday 376 collisions, Friday 443 collisions, Saturday 331 collisions.
Light conditions
Light conditions: Daylight 1,924 collisions, Darkness 680 collisions.
Road type
Road type: Single carriageway 1,808 collisions, Dual carriageway 509 collisions, Roundabout 219 collisions, One way street 40 collisions, One way street/Slip road 26 collisions, Unknown 2 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 10 collisions, 30 mph 1,001 collisions, 40 mph 148 collisions, 50 mph 268 collisions, 60 mph 761 collisions, 70 mph 416 collisions.
Weather at the time
Weather at the time: Fine no high winds 2,051 collisions, Raining no high winds 350 collisions, Raining + high winds 47 collisions, Unknown 43 collisions, Fine + high winds 38 collisions.
Who was hurt
Who was hurt: Driver or rider 2,475 casualties, Passenger 895 casualties, Pedestrian 286 casualties.
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Recent Accidents
Showing 20 of 2,604 accidents
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SeriousAccident 2023541182023
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SeriousAccident 202254D264022
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SlightFrequently asked questions about road accidents in the SN15 postcode district
How many road accidents have there been in the SN15 postcode district?
2,604 collisions have been recorded in the SN15 postcode district in the STATS19 road safety data between 1999 and 2025, involving 3,656 casualties.
How many of the collisions in the SN15 postcode district were serious or fatal?
43 were fatal and 386 were serious — 16.5% of all recorded collisions in the SN15 postcode district resulted in a death or serious injury.
When do most road accidents happen in the SN15 postcode district?
Friday is the most common day for collisions in the SN15 postcode district, accounting for 17% of them, and 26.1% of all collisions here happen in darkness.
What kind of roads do collisions in the SN15 postcode district happen on?
69.4% of collisions in the SN15 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the SN15 postcode district?
Pedestrians make up 7.8% of the 3,656 casualties recorded in the SN15 postcode district.
Is road safety in the SN15 postcode district getting better or worse?
Recorded collisions in the SN15 postcode district rose 43% 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 SN15 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 SN15 postcode district cover 1999 to 2025.