Treorchy road traffic accidents
Treorchy recorded 256 collisions in the STATS19 data between 1999 and 2025, involving 325 casualties. Of these collisions, 4 were fatal and 37 were serious. Recorded collisions in 2025 were unchanged on 2024.
Severity Breakdown
- Fatal
- 4
- Serious
- 37
- Casualties
- 325
- Fatal
- 4
- Serious
- 37
- Casualties
- 325
Collisions by Year
Areas covering Treorchy
Roads in Treorchy
Postcode districts in Treorchy
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in Treorchy
Road collision statistics for Treorchy
Collisions recorded
256
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
325
Casualties recorded across every collision in this area.
Fatal collisions
4
Collisions in which at least one person died.
Serious collisions
37
16% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in Treorchy
Collisions in Treorchy are most frequently recorded on a Saturday (16.4% of the total), with 33.2% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
97.3% of recorded collisions in Treorchy happen on a single carriageway. Around 25% were recorded in adverse weather such as rain, snow or fog.
The collisions in Treorchy have produced 325 casualties. Pedestrians account for 35.7% 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 35 collisions, Monday 41 collisions, Tuesday 33 collisions, Wednesday 24 collisions, Thursday 41 collisions, Friday 40 collisions, Saturday 42 collisions.
Light conditions
Light conditions: Daylight 171 collisions, Darkness 85 collisions.
Road type
Road type: Single carriageway 249 collisions, Dual carriageway 3 collisions, One way street 2 collisions, Unknown 2 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 12 collisions, 30 mph 242 collisions, 50 mph 1 collisions, 60 mph 1 collisions.
Weather at the time
Weather at the time: Fine no high winds 190 collisions, Raining no high winds 45 collisions, Unknown 12 collisions, Raining + high winds 3 collisions, Fine + high winds 2 collisions.
Who was hurt
Who was hurt: Driver or rider 147 casualties, Passenger 62 casualties, Pedestrian 116 casualties.
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Recent Accidents
Showing 20 of 256 accidents
Accident 2025622500809
SlightAccident 2025622500230
SlightAccident 2025622500101
SeriousAccident 2025622500051
SeriousAccident 2024622400862
SlightAccident 2024622400612
SlightAccident 2024622400463
SlightAccident 2024622400159
SlightAccident 2023622300962
SlightAccident 2023622300759
SeriousAccident 2023622300923
SlightAccident 2023622300598
SlightAccident 2023622300583
SlightAccident 2023622300273
SeriousAccident 2023622300125
SlightAccident 2023622300028
SlightAccident 2022622200719
SlightAccident 2022622200436
SlightAccident 2022622200050
SlightAccident 2021622200004
SeriousFrequently asked questions about road accidents in Treorchy
How many road accidents have there been in Treorchy?
256 collisions have been recorded in Treorchy in the STATS19 road safety data between 1999 and 2025, involving 325 casualties.
How many of the collisions in Treorchy were serious or fatal?
4 were fatal and 37 were serious — 16% of all recorded collisions in Treorchy resulted in a death or serious injury.
When do most road accidents happen in Treorchy?
Saturday is the most common day for collisions in Treorchy, accounting for 16.4% of them, and 33.2% of all collisions here happen in darkness.
What kind of roads do collisions in Treorchy happen on?
97.3% of collisions in Treorchy are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in Treorchy?
Pedestrians make up 35.7% of the 325 casualties recorded in Treorchy.
Is road safety in Treorchy getting better or worse?
Recorded collisions in Treorchy were broadly unchanged in 2025 compared with 2024.
Where does the road accident data for Treorchy 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 Treorchy cover 1999 to 2025.