Amended late night / early morning trains in the Llanelli / Carmarthen area on Saturday 23 and Sunday 24 August
Engineering work details
Starts Saturday 23 August 2025 to Sunday 24 August 2025
Train operators affected
Route(s) affected
Transport for Wales routes via Swansea / Carmarthen
Description
Engineering work is taking place between Llanelli and Carmarthen, closing some lines overnight.
Saturday:
The 21:07 Pembroke Dock to Carmarthen service will instead run from Pembroke Dock to Swansea.
The 22:18 Pembroke Dock to Carmarthen service will terminate at Whitland. A replacement bus service will run from Whitland to Carmarthen, departing at 23:24.
The 23:08 Milford Haven to Carmarthen service will terminate at Haverfordwest. A replacement bus service will run from Haverfordwest to Carmarthen, departing at 23:32.
Sunday:
The 00:12 Swansea to Carmarthen service will not run. A replacement bus service will run from Swansea to Carmarthen.
The 07:48 Carmarthen to Pembroke Dock service will start from Whitland. A replacement bus service will run from Carmarthen to Whitland, departing earlier than the train at 07:34.
The 08:53 Carmarthen to Swansea service will not run. A replacement bus service will run from Carmarthen to Swansea.
Check before you travel:
These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.
Replacement Bus Travel Advice:
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use our Rail Replacement Services page.
You can find the pick-up and set-down location of rail replacement services by checking station signage or by searching for your station on our Find a Station page.
Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.
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