Amended late night / early morning Transport for Wales services via Carmarthen on Saturday 16 and Sunday 17 August
Engineering work details
Starts Saturday 16 August 2025 to Sunday 17 August 2025
Train operators affected
Route(s) affected
Between Carmarthen and Milford Haven / Pembroke Dock / Swansea
Description
Engineering work is taking place overnight between Llanelli and Carmarthen, closing some lines.
The following alterations will apply:
Saturday
The 21:07 Pembroke Dock to Carmarthen, this will now be extended to terminate at Swansea.
The 22:18 Pembroke Dock to Carmarthen will terminate at Whitland with road replacement transport in place at 23:24 between Whitland and Carmarthen.
The 23:08 Milford Haven to Carmarthen will terminate at Haverfordwest and road replacement transport will be in place at 23:32 between Haverfordwest and Carmarthen.
Sunday
The 00:12 Swansea to Carmarthen will not run and will be replaced by a bus.
The 07:48 Carmarthen to Pembroke Dock, will start at Whitland and with a replacement bus in place between Carmarthen and Whitland.
The 08:53 Carmarthen to Swansea will not run and will be replaced by a bus.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
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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