Swansea road traffic accidents
Swansea recorded 9,430 collisions in the STATS19 data between 1999 and 2025, involving 12,614 casualties. Of these collisions, 82 were fatal and 864 were serious. Recorded collisions in 2025 were down 31% on 2024.
Severity Breakdown
- Fatal
- 82
- Serious
- 864
- Casualties
- 12,614
- Fatal
- 82
- Serious
- 864
- Casualties
- 12,614
Collisions by Year
Areas covering Swansea
Roads in Swansea
Postcode districts in Swansea
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in Swansea
Road collision statistics for Swansea
Collisions recorded
9,430
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
12,614
Casualties recorded across every collision in this area.
Fatal collisions
82
Collisions in which at least one person died.
Serious collisions
864
10% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in Swansea
Collisions in Swansea are most frequently recorded on a Friday (16.4% of the total), with 27.1% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
67.6% of recorded collisions in Swansea happen on a single carriageway. Around 24.5% were recorded in adverse weather such as rain, snow or fog.
The collisions in Swansea have produced 12,614 casualties. Pedestrians account for 17.7% 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 1,057 collisions, Monday 1,381 collisions, Tuesday 1,307 collisions, Wednesday 1,426 collisions, Thursday 1,400 collisions, Friday 1,546 collisions, Saturday 1,313 collisions.
Light conditions
Light conditions: Daylight 6,871 collisions, Darkness 2,557 collisions.
Road type
Road type: Single carriageway 6,371 collisions, Dual carriageway 1,964 collisions, Roundabout 690 collisions, One way street 153 collisions, Unknown 124 collisions, One way street/Slip road 105 collisions, Slip road 23 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 195 collisions, 30 mph 8,609 collisions, 40 mph 295 collisions, 50 mph 202 collisions, 60 mph 40 collisions, 70 mph 89 collisions.
Weather at the time
Weather at the time: Fine no high winds 6,972 collisions, Raining no high winds 1,161 collisions, Unknown 830 collisions, Raining + high winds 166 collisions, Fine + high winds 150 collisions.
Who was hurt
Who was hurt: Driver or rider 6,918 casualties, Passenger 3,467 casualties, Pedestrian 2,229 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 9,430 accidents
Accident 199962H003399
SlightAccident 199962H003299
SlightAccident 199962J006299
SlightAccident 199962J003299
SlightAccident 199962J004199
SlightAccident 199962J005099
SlightAccident 199962H003199
SlightAccident 199962J005499
FatalAccident 199962H003099
SlightAccident 199962J004499
SlightAccident 199962H003799
SlightAccident 199962J003599
SlightAccident 199962J002699
SlightAccident 199962J002399
SlightAccident 199962J002599
SlightAccident 199962H002999
SlightAccident 199962J002099
SlightAccident 199962J001799
SlightAccident 199962H002399
SlightAccident 199962J003099
SlightFrequently asked questions about road accidents in Swansea
How many road accidents have there been in Swansea?
9,430 collisions have been recorded in Swansea in the STATS19 road safety data between 1999 and 2025, involving 12,614 casualties.
How many of the collisions in Swansea were serious or fatal?
82 were fatal and 864 were serious — 10% of all recorded collisions in Swansea resulted in a death or serious injury.
When do most road accidents happen in Swansea?
Friday is the most common day for collisions in Swansea, accounting for 16.4% of them, and 27.1% of all collisions here happen in darkness.
What kind of roads do collisions in Swansea happen on?
67.6% of collisions in Swansea are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in Swansea?
Pedestrians make up 17.7% of the 12,614 casualties recorded in Swansea.
Is road safety in Swansea getting better or worse?
Recorded collisions in Swansea fell 31% 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 Swansea 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 Swansea cover 1999 to 2025.