SO40 postcode district road traffic accidents
The SO40 postcode district recorded 1,944 collisions in the STATS19 data between 1999 and 2025, involving 2,417 casualties. Of these collisions, 29 were fatal and 341 were serious. Recorded collisions in 2025 were down 7% on 2024.
Severity Breakdown
- Fatal
- 29
- Serious
- 341
- Casualties
- 2,417
- Fatal
- 29
- Serious
- 341
- Casualties
- 2,417
Collisions by Year
Areas covering SO40
Towns in SO40
Roads in SO40
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the SO40 postcode district
Road collision statistics for the SO40 postcode district
Collisions recorded
1,944
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
2,417
Casualties recorded across every collision in this area.
Fatal collisions
29
Collisions in which at least one person died.
Serious collisions
341
19% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the SO40 postcode district
Collisions in the SO40 postcode district are most frequently recorded on a Friday (16.4% of the total), with 24.1% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
75.4% of recorded collisions in the SO40 postcode district happen on a single carriageway. Around 16.3% were recorded in adverse weather such as rain, snow or fog.
The collisions in the SO40 postcode district have produced 2,417 casualties. Pedestrians account for 11% 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 197 collisions, Monday 292 collisions, Tuesday 312 collisions, Wednesday 293 collisions, Thursday 282 collisions, Friday 318 collisions, Saturday 250 collisions.
Light conditions
Light conditions: Daylight 1,476 collisions, Darkness 468 collisions.
Road type
Road type: Single carriageway 1,466 collisions, Dual carriageway 294 collisions, Roundabout 153 collisions, Slip road 16 collisions, One way street/Slip road 6 collisions, Unknown 5 collisions, One way street 4 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 5 collisions, 30 mph 1,096 collisions, 40 mph 250 collisions, 50 mph 264 collisions, 60 mph 244 collisions, 70 mph 85 collisions.
Weather at the time
Weather at the time: Fine no high winds 1,612 collisions, Raining no high winds 219 collisions, Other 42 collisions, Raining + high winds 34 collisions, Fine + high winds 16 collisions.
Who was hurt
Who was hurt: Driver or rider 1,690 casualties, Passenger 460 casualties, Pedestrian 267 casualties.
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Recent Accidents
Showing 1 of 341 accidents
Frequently asked questions about road accidents in the SO40 postcode district
How many road accidents have there been in the SO40 postcode district?
1,944 collisions have been recorded in the SO40 postcode district in the STATS19 road safety data between 1999 and 2025, involving 2,417 casualties.
How many of the collisions in the SO40 postcode district were serious or fatal?
29 were fatal and 341 were serious — 19% of all recorded collisions in the SO40 postcode district resulted in a death or serious injury.
When do most road accidents happen in the SO40 postcode district?
Friday is the most common day for collisions in the SO40 postcode district, accounting for 16.4% of them, and 24.1% of all collisions here happen in darkness.
What kind of roads do collisions in the SO40 postcode district happen on?
75.4% of collisions in the SO40 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the SO40 postcode district?
Pedestrians make up 11% of the 2,417 casualties recorded in the SO40 postcode district.
Is road safety in the SO40 postcode district getting better or worse?
Recorded collisions in the SO40 postcode district fell 7% 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 SO40 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 SO40 postcode district cover 1999 to 2025.