SN15 postcode district road traffic accidents
The SN15 postcode district recorded 2,527 collisions in the STATS19 data between 1999 and 2024, involving 3,536 casualties. Of these collisions, 42 were fatal and 366 were serious. Recorded collisions in 2024 were down 18% on 2023.
Severity Breakdown
- Fatal
- 42
- Serious
- 366
- Casualties
- 3,536
- Fatal
- 42
- Serious
- 366
- Casualties
- 3,536
Collisions by Year
Areas covering SN15
Towns in SN15
Roads in SN15
Accidents in the SN15 postcode district
Road collision statistics for the SN15 postcode district
Collisions recorded
2,527
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
3,536
Casualties recorded across every collision in this area.
Fatal collisions
42
Collisions in which at least one person died.
Serious collisions
366
16.1% 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 26.2% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
69.2% of recorded collisions in the SN15 postcode district happen on a single carriageway. Around 21.6% were recorded in adverse weather such as rain, snow or fog.
The collisions in the SN15 postcode district have produced 3,536 casualties. Pedestrians account for 7.7% 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 276 collisions, Monday 383 collisions, Tuesday 394 collisions, Wednesday 353 collisions, Thursday 370 collisions, Friday 430 collisions, Saturday 321 collisions.
Light conditions
Light conditions: Daylight 1,864 collisions, Darkness 663 collisions.
Road type
Road type: Single carriageway 1,748 collisions, Dual carriageway 500 collisions, Roundabout 212 collisions, One way street 39 collisions, Other 26 collisions, Unknown 2 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 8 collisions, 30 mph 972 collisions, 40 mph 135 collisions, 50 mph 256 collisions, 60 mph 745 collisions, 70 mph 411 collisions.
Weather at the time
Weather at the time: Fine no high winds 1,981 collisions, Raining no high winds 345 collisions, Raining + high winds 46 collisions, Unknown 43 collisions, Fog or mist 38 collisions.
Who was hurt
Who was hurt: Driver or rider 2,397 casualties, Passenger 867 casualties, Pedestrian 272 casualties.
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Recent Accidents
Showing 20 of 2,527 accidents
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SeriousAccident 2023541182023
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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?
2,527 collisions have been recorded in the SN15 postcode district in the STATS19 road safety data between 1999 and 2024, involving 3,536 casualties.
How many of the collisions in the SN15 postcode district were serious or fatal?
42 were fatal and 366 were serious — 16.1% 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 26.2% of all collisions here happen in darkness.
What kind of roads do collisions in the SN15 postcode district happen on?
69.2% 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 7.7% of the 3,536 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 fell 18% in 2024 compared with 2023, though year-on-year figures move with both genuine risk and changes in reporting.
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 2024.