ST11 postcode district road traffic accidents
The ST11 postcode district recorded 619 collisions in the STATS19 data between 1999 and 2025, involving 871 casualties. Of these collisions, 16 were fatal and 60 were serious. Recorded collisions in 2025 were up 54% on 2024.
Severity Breakdown
- Fatal
- 16
- Serious
- 60
- Casualties
- 871
- Fatal
- 16
- Serious
- 60
- Casualties
- 871
Collisions by Year
Areas covering ST11
Towns in ST11
Roads in ST11
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the ST11 postcode district
Road collision statistics for the ST11 postcode district
Collisions recorded
619
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
871
Casualties recorded across every collision in this area.
Fatal collisions
16
Collisions in which at least one person died.
Serious collisions
60
12.3% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the ST11 postcode district
Collisions in the ST11 postcode district are most frequently recorded on a Wednesday (16.2% of the total), with 27% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
71.1% of recorded collisions in the ST11 postcode district happen on a single carriageway. Around 20.8% were recorded in adverse weather such as rain, snow or fog.
The collisions in the ST11 postcode district have produced 871 casualties. Pedestrians account for 6.1% 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 73 collisions, Monday 77 collisions, Tuesday 91 collisions, Wednesday 100 collisions, Thursday 93 collisions, Friday 100 collisions, Saturday 85 collisions.
Light conditions
Light conditions: Daylight 452 collisions, Darkness 167 collisions.
Road type
Road type: Single carriageway 440 collisions, Dual carriageway 115 collisions, Roundabout 57 collisions, Unknown 3 collisions, One way street/Slip road 3 collisions, Slip road 1 collisions.
Speed limit at the scene
Speed limit at the scene: 30 mph 251 collisions, 40 mph 85 collisions, 50 mph 8 collisions, 60 mph 160 collisions, 70 mph 115 collisions.
Weather at the time
Weather at the time: Fine no high winds 490 collisions, Raining no high winds 92 collisions, Raining + high winds 9 collisions, Snowing no high winds 6 collisions, Other 6 collisions.
Who was hurt
Who was hurt: Driver or rider 576 casualties, Passenger 242 casualties, Pedestrian 53 casualties.
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Recent Accidents
Showing 20 of 619 accidents
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SlightFrequently asked questions about road accidents in the ST11 postcode district
How many road accidents have there been in the ST11 postcode district?
619 collisions have been recorded in the ST11 postcode district in the STATS19 road safety data between 1999 and 2025, involving 871 casualties.
How many of the collisions in the ST11 postcode district were serious or fatal?
16 were fatal and 60 were serious — 12.3% of all recorded collisions in the ST11 postcode district resulted in a death or serious injury.
When do most road accidents happen in the ST11 postcode district?
Wednesday is the most common day for collisions in the ST11 postcode district, accounting for 16.2% of them, and 27% of all collisions here happen in darkness.
What kind of roads do collisions in the ST11 postcode district happen on?
71.1% of collisions in the ST11 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the ST11 postcode district?
Pedestrians make up 6.1% of the 871 casualties recorded in the ST11 postcode district.
Is road safety in the ST11 postcode district getting better or worse?
Recorded collisions in the ST11 postcode district rose 54% 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 ST11 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 ST11 postcode district cover 1999 to 2025.