Caerphilly road traffic accidents
Caerphilly recorded 1,113 collisions in the STATS19 data between 1999 and 2025, involving 1,495 casualties. Of these collisions, 10 were fatal and 167 were serious. Recorded collisions in 2025 were down 12% on 2024.
Severity Breakdown
- Fatal
- 10
- Serious
- 167
- Casualties
- 1,495
- Fatal
- 10
- Serious
- 167
- Casualties
- 1,495
Collisions by Year
Areas covering Caerphilly
Roads in Caerphilly
Postcode districts in Caerphilly
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in Caerphilly
Road collision statistics for Caerphilly
Collisions recorded
1,113
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
1,495
Casualties recorded across every collision in this area.
Fatal collisions
10
Collisions in which at least one person died.
Serious collisions
167
15.9% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in Caerphilly
Collisions in Caerphilly are most frequently recorded on a Thursday (16.5% of the total), with 23.6% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
79.7% of recorded collisions in Caerphilly happen on a single carriageway. Around 21.6% were recorded in adverse weather such as rain, snow or fog.
The collisions in Caerphilly have produced 1,495 casualties. Pedestrians account for 20.8% 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 100 collisions, Monday 156 collisions, Tuesday 157 collisions, Wednesday 176 collisions, Thursday 184 collisions, Friday 172 collisions, Saturday 168 collisions.
Light conditions
Light conditions: Daylight 850 collisions, Darkness 263 collisions.
Road type
Road type: Single carriageway 887 collisions, Roundabout 110 collisions, One way street/Slip road 45 collisions, One way street 44 collisions, Dual carriageway 25 collisions, Unknown 2 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 35 collisions, 30 mph 910 collisions, 40 mph 78 collisions, 50 mph 5 collisions, 60 mph 79 collisions, 70 mph 6 collisions.
Weather at the time
Weather at the time: Fine no high winds 873 collisions, Raining no high winds 144 collisions, Other 35 collisions, Raining + high winds 24 collisions, Unknown 19 collisions.
Who was hurt
Who was hurt: Driver or rider 786 casualties, Passenger 398 casualties, Pedestrian 311 casualties.
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Recent Accidents
Showing 20 of 1,113 accidents
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SlightFrequently asked questions about road accidents in Caerphilly
How many road accidents have there been in Caerphilly?
1,113 collisions have been recorded in Caerphilly in the STATS19 road safety data between 1999 and 2025, involving 1,495 casualties.
How many of the collisions in Caerphilly were serious or fatal?
10 were fatal and 167 were serious — 15.9% of all recorded collisions in Caerphilly resulted in a death or serious injury.
When do most road accidents happen in Caerphilly?
Thursday is the most common day for collisions in Caerphilly, accounting for 16.5% of them, and 23.6% of all collisions here happen in darkness.
What kind of roads do collisions in Caerphilly happen on?
79.7% of collisions in Caerphilly are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in Caerphilly?
Pedestrians make up 20.8% of the 1,495 casualties recorded in Caerphilly.
Is road safety in Caerphilly getting better or worse?
Recorded collisions in Caerphilly fell 12% 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 Caerphilly 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 Caerphilly cover 1999 to 2025.