SL3 postcode district road traffic accidents
The SL3 postcode district recorded 4,094 collisions in the STATS19 data between 1999 and 2025, involving 5,711 casualties. Of these collisions, 76 were fatal and 502 were serious. Recorded collisions in 2025 were up 27% on 2024.
Severity Breakdown
- Fatal
- 76
- Serious
- 502
- Casualties
- 5,711
- Fatal
- 76
- Serious
- 502
- Casualties
- 5,711
Collisions by Year
Areas covering SL3
Towns in SL3
Roads in SL3
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the SL3 postcode district
Road collision statistics for the SL3 postcode district
Collisions recorded
4,094
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
5,711
Casualties recorded across every collision in this area.
Fatal collisions
76
Collisions in which at least one person died.
Serious collisions
502
14.1% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the SL3 postcode district
Collisions in the SL3 postcode district are most frequently recorded on a Tuesday (16.2% of the total), with 29.2% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
54.5% of recorded collisions in the SL3 postcode district happen on a single carriageway. Around 15.2% were recorded in adverse weather such as rain, snow or fog.
The collisions in the SL3 postcode district have produced 5,711 casualties. Pedestrians account for 8.4% 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 460 collisions, Monday 589 collisions, Tuesday 662 collisions, Wednesday 615 collisions, Thursday 635 collisions, Friday 662 collisions, Saturday 471 collisions.
Light conditions
Light conditions: Daylight 2,899 collisions, Darkness 1,195 collisions.
Road type
Road type: Single carriageway 2,233 collisions, Dual carriageway 1,643 collisions, Roundabout 160 collisions, Slip road 28 collisions, One way street/Slip road 12 collisions, One way street 11 collisions, Unknown 7 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 62 collisions, 30 mph 1,720 collisions, 40 mph 610 collisions, 50 mph 52 collisions, 60 mph 353 collisions, 70 mph 1,297 collisions.
Weather at the time
Weather at the time: Fine no high winds 3,435 collisions, Raining no high winds 434 collisions, Other 79 collisions, Unknown 46 collisions, Fine + high winds 37 collisions.
Who was hurt
Who was hurt: Driver or rider 3,868 casualties, Passenger 1,362 casualties, Pedestrian 481 casualties.
Move Insights
Thinking of moving to this area?
Check flood risk, planning history, EPC ratings and more with a Move Insights property report.
Recent Accidents
Showing 20 of 4,094 accidents
Accident 199943R383119
SlightAccident 199943R422119
SlightAccident 199943R192119
SlightAccident 199901XH01029
SlightAccident 199943R131119
FatalAccident 199943R107119
SlightAccident 199943R133119
SlightAccident 199943R050119
SlightAccident 199901XH00991
SlightAccident 199943R106119
SeriousAccident 199943R003119
SlightAccident 199943R424109
SeriousAccident 199943N362109
SeriousAccident 199943R396109
SlightAccident 199943R295109
SlightAccident 199943R259109
SeriousAccident 199943R287109
SlightAccident 199943N455109
SlightAccident 199943R314109
SlightAccident 199943R213109
SlightFrequently asked questions about road accidents in the SL3 postcode district
How many road accidents have there been in the SL3 postcode district?
4,094 collisions have been recorded in the SL3 postcode district in the STATS19 road safety data between 1999 and 2025, involving 5,711 casualties.
How many of the collisions in the SL3 postcode district were serious or fatal?
76 were fatal and 502 were serious — 14.1% of all recorded collisions in the SL3 postcode district resulted in a death or serious injury.
When do most road accidents happen in the SL3 postcode district?
Tuesday is the most common day for collisions in the SL3 postcode district, accounting for 16.2% of them, and 29.2% of all collisions here happen in darkness.
What kind of roads do collisions in the SL3 postcode district happen on?
54.5% of collisions in the SL3 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the SL3 postcode district?
Pedestrians make up 8.4% of the 5,711 casualties recorded in the SL3 postcode district.
Is road safety in the SL3 postcode district getting better or worse?
Recorded collisions in the SL3 postcode district rose 27% 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 SL3 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 SL3 postcode district cover 1999 to 2025.