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Last updated:Today at 16:20
Train companies affected:Great Western Railway, South Western Railway

Buses replace trains between Carmarthen and Swansea from Monday 16 to Friday 20 September 

See all service disruptions

Engineering work details

Starts 16 Sep 2024 to 20 Sep 2024

Route(s) affected

All routes via Carmarthen


Engineering work is taking place between Llanelli and Swansea, closing all lines.

Great Western Railway:

Trains between London Paddington and Carmarthen will terminate / start from Swansea. Replacement buses will operate between Swansea and Carmarthen - these are provided by Transport for Wales.

Transport for Wales:

Buses will replace trains between Carmarthen and Swansea.

A limited number of trains will be diverted and will non stop between Llanelli and Port Talbot.

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 replacement vehicles may be busier than usual, and you should allow extra time for your journey.