SY21 postcode district road traffic accidents
The SY21 postcode district recorded 1,341 collisions in the STATS19 data between 1999 and 2025, involving 1,990 casualties. Of these collisions, 28 were fatal and 322 were serious. Recorded collisions in 2025 were up 8% on 2024.
Severity Breakdown
- Fatal
- 28
- Serious
- 322
- Casualties
- 1,990
- Fatal
- 28
- Serious
- 322
- Casualties
- 1,990
Collisions by Year
Areas covering SY21
Towns in SY21
Roads in SY21
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the SY21 postcode district
Road collision statistics for the SY21 postcode district
Collisions recorded
1,341
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
1,990
Casualties recorded across every collision in this area.
Fatal collisions
28
Collisions in which at least one person died.
Serious collisions
322
26.1% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the SY21 postcode district
Collisions in the SY21 postcode district are most frequently recorded on a Friday (17.6% of the total), with 24.5% happening in darkness rather than daylight. The most common posted speed limit at the scene is 60 mph.
93.5% of recorded collisions in the SY21 postcode district happen on a single carriageway. Around 26.5% were recorded in adverse weather such as rain, snow or fog.
The collisions in the SY21 postcode district have produced 1,990 casualties. Pedestrians account for 6.7% 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 189 collisions, Monday 182 collisions, Tuesday 182 collisions, Wednesday 153 collisions, Thursday 197 collisions, Friday 236 collisions, Saturday 202 collisions.
Light conditions
Light conditions: Daylight 1,012 collisions, Darkness 329 collisions.
Road type
Road type: Single carriageway 1,254 collisions, One way street 33 collisions, Roundabout 31 collisions, Dual carriageway 13 collisions, Unknown 8 collisions, Slip road 2 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 20 collisions, 30 mph 247 collisions, 40 mph 76 collisions, 50 mph 33 collisions, 60 mph 965 collisions.
Weather at the time
Weather at the time: Fine no high winds 985 collisions, Raining no high winds 258 collisions, Other 36 collisions, Raining + high winds 25 collisions, Unknown 10 collisions.
Who was hurt
Who was hurt: Driver or rider 1,276 casualties, Passenger 580 casualties, Pedestrian 134 casualties.
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Recent Accidents
Showing 1 of 1,341 accidents
Frequently asked questions about road accidents in the SY21 postcode district
How many road accidents have there been in the SY21 postcode district?
1,341 collisions have been recorded in the SY21 postcode district in the STATS19 road safety data between 1999 and 2025, involving 1,990 casualties.
How many of the collisions in the SY21 postcode district were serious or fatal?
28 were fatal and 322 were serious — 26.1% of all recorded collisions in the SY21 postcode district resulted in a death or serious injury.
When do most road accidents happen in the SY21 postcode district?
Friday is the most common day for collisions in the SY21 postcode district, accounting for 17.6% of them, and 24.5% of all collisions here happen in darkness.
What kind of roads do collisions in the SY21 postcode district happen on?
93.5% of collisions in the SY21 postcode district are recorded on a single carriageway, most often where the limit is 60 mph.
Are pedestrians often hurt in collisions in the SY21 postcode district?
Pedestrians make up 6.7% of the 1,990 casualties recorded in the SY21 postcode district.
Is road safety in the SY21 postcode district getting better or worse?
Recorded collisions in the SY21 postcode district rose 8% 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 SY21 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 SY21 postcode district cover 1999 to 2025.