Engineering work is taking place between Swansea and Carmarthen, closing some lines.
The 07:25 Carmarthen to London Paddington will start from Swansea. Road transport provided by GWR will operate at earlier than normal train times from Carmarthen to stations to Swansea to connect into the train.
The 17:48 London Paddington to Carmarthen will terminate Swansea. Road transport provided by Transport for Wales will operate from Swansea to stations to Carmarthen.
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 this page.
You can find the location of your bus replacement by checking station signs or by searching for your station on our station information pages.