SO23 postcode district road traffic accidents
The SO23 postcode district recorded 1,942 collisions in the STATS19 data between 1999 and 2025, involving 2,405 casualties. Of these collisions, 20 were fatal and 316 were serious. Recorded collisions in 2025 were up 18% on 2024.
Severity Breakdown
- Fatal
- 20
- Serious
- 316
- Casualties
- 2,405
- Fatal
- 20
- Serious
- 316
- Casualties
- 2,405
Collisions by Year
Areas covering SO23
Towns in SO23
Roads in SO23
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the SO23 postcode district
Road collision statistics for the SO23 postcode district
Collisions recorded
1,942
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
2,405
Casualties recorded across every collision in this area.
Fatal collisions
20
Collisions in which at least one person died.
Serious collisions
316
17.3% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the SO23 postcode district
Collisions in the SO23 postcode district are most frequently recorded on a Friday (19.8% of the total), with 26% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
57.2% of recorded collisions in the SO23 postcode district happen on a single carriageway. Around 14.2% were recorded in adverse weather such as rain, snow or fog.
The collisions in the SO23 postcode district have produced 2,405 casualties. Pedestrians account for 17.8% 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 185 collisions, Monday 249 collisions, Tuesday 291 collisions, Wednesday 277 collisions, Thursday 292 collisions, Friday 385 collisions, Saturday 263 collisions.
Light conditions
Light conditions: Daylight 1,437 collisions, Darkness 505 collisions.
Road type
Road type: Single carriageway 1,110 collisions, Dual carriageway 431 collisions, Roundabout 168 collisions, One way street 113 collisions, One way street/Slip road 91 collisions, Slip road 25 collisions, Unknown 4 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 111 collisions, 30 mph 1,048 collisions, 40 mph 105 collisions, 50 mph 158 collisions, 60 mph 226 collisions, 70 mph 294 collisions.
Weather at the time
Weather at the time: Fine no high winds 1,644 collisions, Raining no high winds 190 collisions, Other 38 collisions, Raining + high winds 35 collisions, Fine + high winds 22 collisions.
Who was hurt
Who was hurt: Driver or rider 1,485 casualties, Passenger 492 casualties, Pedestrian 428 casualties.
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Recent Accidents
Showing 20 of 1,942 accidents
Accident 1999440OC1620
SlightAccident 1999440OC1540
SlightAccident 1999440OC1517
SlightAccident 1999440OC1504
SlightAccident 1999440OC1489
SlightAccident 1999440OC1469
SlightAccident 1999440OC1467
SlightAccident 1999440OC1416
SlightAccident 1999440OC1401
SlightAccident 1999440OC1348
SlightAccident 1999440OC1341
SlightAccident 1999440OC1312
SlightAccident 1999440OC1294
SlightAccident 1999440OC1281
SlightAccident 1999440OC1276
SlightAccident 1999440OC1225
SlightAccident 1999440OC1221
SlightAccident 1999440OC1224
SlightAccident 1999440OC1212
FatalAccident 1999440OC1178
SlightFrequently asked questions about road accidents in the SO23 postcode district
How many road accidents have there been in the SO23 postcode district?
1,942 collisions have been recorded in the SO23 postcode district in the STATS19 road safety data between 1999 and 2025, involving 2,405 casualties.
How many of the collisions in the SO23 postcode district were serious or fatal?
20 were fatal and 316 were serious — 17.3% of all recorded collisions in the SO23 postcode district resulted in a death or serious injury.
When do most road accidents happen in the SO23 postcode district?
Friday is the most common day for collisions in the SO23 postcode district, accounting for 19.8% of them, and 26% of all collisions here happen in darkness.
What kind of roads do collisions in the SO23 postcode district happen on?
57.2% of collisions in the SO23 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the SO23 postcode district?
Pedestrians make up 17.8% of the 2,405 casualties recorded in the SO23 postcode district.
Is road safety in the SO23 postcode district getting better or worse?
Recorded collisions in the SO23 postcode district rose 18% 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 SO23 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 SO23 postcode district cover 1999 to 2025.