Amended late night / early morning trains in the Carmarthen / Swansea area from Monday 17 to Friday 21 November
Engineering work details
Starts Monday 17 November 2025 to Friday 21 November 2025
Train operators affected
Route(s) affected
Transport for Wales between Carmarthen and Swansea / Shrewsbury
Description
Engineering work is taking place in the Swansea / Carmarthen area, closing various lines overnight from Monday evening until Friday morning.
Monday to Thursday:
The 23:20 Cardiff Central to Carmarthen service will terminate at Swansea. A replacement bus will run from Swansea to Carmarthen.
Tuesday to Friday:
The 04:38 Carmarthen to Swansea service will be replaced by a bus throughout.
The 04:47 Carmarthen to Shrewsbury service will be amended to start from Swansea at 04:52. A replacement bus will run earlier from Carmarthen at 04:15 to Llanelli, connecting with the train.
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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