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Amended late night / early morning Transport for Wales service to / from Carmarthen from Monday 22 to Friday 26 July 

See all service disruptions

Engineering work details

Starts 22 Jul 2024 to 26 Jul 2024

Train operators affected

Route(s) affected

23:15 Cardiff Central to Carmarthen

04:38 Carmarthen to Swansea

04:47 Carmarthen to Llandovery


Engineering work is taking place overnight between Llanelli and Carmarthen, closing some lines.

Monday to Thursday:

The 23:15 Cardiff Central to Carmarthen will terminate at Swansea with a replacement bus service from Swansea to Carmarthen.

Tuesday to Friday:

The 04:38 Carmarthen to Swansea will not run and will be replaced by a bus.

The 04:47 Carmarthen to Llandovery will start from Swansea, a replacement bus will run from Carmarthen to Llanelli.

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 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.

Please be advised that, on occasion, replacement vehicles may be busier than usual, and you should allow extra time for your journey.