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Buses replace late night / early morning trains between Swansea and Carmarthen from Monday 29 April to Friday 3 May 

See all service disruptions

Engineering work details

Starts 29 Apr 2024 to 03 May 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 Swansea and Carmarthen, closing some lines.

Monday to Thursday:

  • The 23:15 Cardiff Central to Carmarthen service will terminate at Swansea. A rail replacement bus service will run between Swansea and Carmarthen.

Tuesday to Friday:

  • The 04:38 Carmarthen to Swansea service will be replaced by a bus throughout.

  • The 04:47 Carmarthen to Llandovery service will start from Swansea. A connecting replacement bus service 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.