SN9 postcode district road traffic accidents
The SN9 postcode district recorded 410 collisions in the STATS19 data between 1999 and 2025, involving 586 casualties. Of these collisions, 7 were fatal and 74 were serious. Recorded collisions in 2025 were down 38% on 2024.
Severity Breakdown
- Fatal
- 7
- Serious
- 74
- Casualties
- 586
- Fatal
- 7
- Serious
- 74
- Casualties
- 586
Collisions by Year
Areas covering SN9
Roads in SN9
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the SN9 postcode district
Road collision statistics for the SN9 postcode district
Collisions recorded
410
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
586
Casualties recorded across every collision in this area.
Fatal collisions
7
Collisions in which at least one person died.
Serious collisions
74
19.8% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the SN9 postcode district
Collisions in the SN9 postcode district are most frequently recorded on a Thursday (17.6% of the total), with 20.5% happening in darkness rather than daylight. The most common posted speed limit at the scene is 60 mph.
96.6% of recorded collisions in the SN9 postcode district happen on a single carriageway. Around 17.3% were recorded in adverse weather such as rain, snow or fog.
The collisions in the SN9 postcode district have produced 586 casualties. Pedestrians account for 7.2% 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 37 collisions, Monday 55 collisions, Tuesday 58 collisions, Wednesday 69 collisions, Thursday 72 collisions, Friday 59 collisions, Saturday 60 collisions.
Light conditions
Light conditions: Daylight 326 collisions, Darkness 84 collisions.
Road type
Road type: Single carriageway 396 collisions, Roundabout 11 collisions, Unknown 2 collisions, One way street 1 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 5 collisions, 30 mph 108 collisions, 40 mph 53 collisions, 50 mph 46 collisions, 60 mph 198 collisions.
Weather at the time
Weather at the time: Fine no high winds 334 collisions, Raining no high winds 54 collisions, Fine + high winds 5 collisions, Raining + high winds 5 collisions, Fog or mist 5 collisions.
Who was hurt
Who was hurt: Driver or rider 417 casualties, Passenger 127 casualties, Pedestrian 42 casualties.
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Recent Accidents
Showing 20 of 329 accidents
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SlightFrequently asked questions about road accidents in the SN9 postcode district
How many road accidents have there been in the SN9 postcode district?
410 collisions have been recorded in the SN9 postcode district in the STATS19 road safety data between 1999 and 2025, involving 586 casualties.
How many of the collisions in the SN9 postcode district were serious or fatal?
7 were fatal and 74 were serious — 19.8% of all recorded collisions in the SN9 postcode district resulted in a death or serious injury.
When do most road accidents happen in the SN9 postcode district?
Thursday is the most common day for collisions in the SN9 postcode district, accounting for 17.6% of them, and 20.5% of all collisions here happen in darkness.
What kind of roads do collisions in the SN9 postcode district happen on?
96.6% of collisions in the SN9 postcode district are recorded on a single carriageway, most often where the limit is 60 mph.
Are pedestrians often hurt in collisions in the SN9 postcode district?
Pedestrians make up 7.2% of the 586 casualties recorded in the SN9 postcode district.
Is road safety in the SN9 postcode district getting better or worse?
Recorded collisions in the SN9 postcode district fell 38% in 2025 compared with 2024, though year-on-year figures move with both genuine risk and changes in reporting.
Where does the road accident data for the SN9 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 SN9 postcode district cover 1999 to 2025.