Principal council · Wales
Merthyr Tydfil road collision data
Between 2021 and 2025, the police recorded 218 injury collisions in Merthyr Tydfil's highway authority area, 35 of them fatal or serious. These are the published STATS19 figures, which also include motorways and trunk roads in the area.
- Injury collisions
- 218
- 2021–2025
- Casualties
- 298
- People injured or killed
- Fatal collisions
- 6
- 29 serious, 183 slight
- Vulnerable road users
- 56%
- of people killed or seriously injured
Collisions by year and severity
In 2025, Merthyr Tydfil recorded 10 fatal or serious collisions, 43% above its average of 7 a year over 2021–2025.
| Year | Fatal | Serious | Slight | Total | Casualties | Fatal or serious |
|---|---|---|---|---|---|---|
| 2021 | 0 | 4 | 41 | 45 | 69 |
4
|
| 2022 | 4 | 4 | 35 | 43 | 54 |
8
|
| 2023 | 1 | 5 | 40 | 46 | 63 |
6
|
| 2024 | 1 | 6 | 31 | 38 | 54 |
7
|
| 2025 | 0 | 10 | 36 | 46 | 58 |
10
|
| 2021–2025 | 6 | 29 | 183 | 218 | 298 | 35 |
Casualties by road user
298 people were hurt in these collisions: 6 killed, 33 seriously injured and 259 slightly injured. Pedestrians, pedal cyclists and motorcyclists made up 56% of those killed or seriously injured.
| Road user | Casualties | Share | Killed or seriously injured | Share of KSI |
|---|---|---|---|---|
| Pedestrians | 40 | 13.4% | 13 | 33.3% |
| Pedal cyclists | 14 | 4.7% | 2 | 5.1% |
| Motorcyclists | 27 | 9.1% | 7 | 17.9% |
| All road users | 298 | 100% | 39 | 100% |
Roads with the most collisions
Classified roads in Merthyr Tydfil, by injury collisions recorded on them in 2021–2025.
- A470 41 collisions · 5 fatal or serious
- A4054 24 collisions · 6 fatal or serious
- A4102 17 collisions · 3 fatal or serious
- A465 14 collisions · 1 fatal or serious
- A472 11 collisions · 1 fatal or serious
- A4060 10 collisions · 2 fatal or serious
- B4254 7 collisions · 0 fatal or serious
- B4255 6 collisions · 0 fatal or serious
- B4285 3 collisions · 1 fatal or serious
- B465 1 collisions · 0 fatal or serious
Areas within Merthyr Tydfil
Area pages with maps, hotspots and every collision, by collisions in 2021–2025.
How to get a formal collision extract from Merthyr Tydfil
The council's road safety or traffic team holds the full police records for its area. A formal extract can add what the published data leaves out: contributory factors, the officer's description of each collision and the current year's provisional records. Developers, consultants and solicitors usually pay for it.
Check Merthyr Tydfil's website for current fees, or contact its road safety team. Councils usually charge for extracts and send a quote before they start.
Source: Department for Transport road safety data (STATS19), 2021–2025, published under the Open Government Licence v3.0. Collisions are counted against the local highway authority area recorded by the police. Casualty severities are as recorded at the time and are not adjusted.