SN1 postcode district road traffic accidents
The SN1 postcode district recorded 2,922 collisions in the STATS19 data between 1999 and 2024, involving 3,594 casualties. Of these collisions, 18 were fatal and 333 were serious. Recorded collisions in 2024 were down 16% on 2023.
Severity Breakdown
- Fatal
- 18
- Serious
- 333
- Casualties
- 3,594
- Fatal
- 18
- Serious
- 333
- Casualties
- 3,594
Collisions by Year
Areas covering SN1
Towns in SN1
Roads in SN1
Accidents in the SN1 postcode district
Road collision statistics for the SN1 postcode district
Collisions recorded
2,922
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
3,594
Casualties recorded across every collision in this area.
Fatal collisions
18
Collisions in which at least one person died.
Serious collisions
333
12% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the SN1 postcode district
Collisions in the SN1 postcode district are most frequently recorded on a Friday (16.4% of the total), with 29.1% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
47.5% of recorded collisions in the SN1 postcode district happen on a single carriageway. Around 16.5% were recorded in adverse weather such as rain, snow or fog.
The collisions in the SN1 postcode district have produced 3,594 casualties. Pedestrians account for 17.1% 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 307 collisions, Monday 407 collisions, Tuesday 400 collisions, Wednesday 465 collisions, Thursday 453 collisions, Friday 478 collisions, Saturday 412 collisions.
Light conditions
Light conditions: Daylight 2,072 collisions, Darkness 850 collisions.
Road type
Road type: Single carriageway 1,389 collisions, Roundabout 754 collisions, Dual carriageway 440 collisions, One way street 196 collisions, Other 138 collisions, Unknown 5 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 57 collisions, 30 mph 2,118 collisions, 40 mph 670 collisions, 50 mph 6 collisions, 60 mph 12 collisions, 70 mph 59 collisions.
Weather at the time
Weather at the time: Fine no high winds 2,439 collisions, Raining no high winds 332 collisions, Unknown 62 collisions, Raining + high winds 27 collisions, Other 24 collisions.
Who was hurt
Who was hurt: Driver or rider 2,230 casualties, Passenger 750 casualties, Pedestrian 614 casualties.
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Recent Accidents
Showing 20 of 2,922 accidents
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SlightFrequently asked questions about road accidents in the SN1 postcode district
How many road accidents have there been in the SN1 postcode district?
2,922 collisions have been recorded in the SN1 postcode district in the STATS19 road safety data between 1999 and 2024, involving 3,594 casualties.
How many of the collisions in the SN1 postcode district were serious or fatal?
18 were fatal and 333 were serious — 12% of all recorded collisions in the SN1 postcode district resulted in a death or serious injury.
When do most road accidents happen in the SN1 postcode district?
Friday is the most common day for collisions in the SN1 postcode district, accounting for 16.4% of them, and 29.1% of all collisions here happen in darkness.
What kind of roads do collisions in the SN1 postcode district happen on?
47.5% of collisions in the SN1 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the SN1 postcode district?
Pedestrians make up 17.1% of the 3,594 casualties recorded in the SN1 postcode district.
Is road safety in the SN1 postcode district getting better or worse?
Recorded collisions in the SN1 postcode district fell 16% 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 SN1 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 SN1 postcode district cover 1999 to 2024.