Rail Disruption Transport for Wales Status | Amended late night / early morning Transport for Wales trains in the Carmarthen / Swansea area from Monday 6 to Friday 10 April

Updated at: 15-Jan-2026 07:55:46: AM

Operator:  Transport for Wales

Routes affected:

Transport for Wales between Carmarthen and Swansea / Cardiff Central, between Fishguard Harbour and Cardiff Central, and between Llandovery and Swansea

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Description of Incident

Engineering work is taking place in the Carmarthen / Swansea area, closing various lines overnight from Monday evening until Friday morning.

Monday to Thursday:

The 21:46 Fishguard Harbour to Cardiff Central will be diverted to run on an alternative route between Llanelli and Port Talbot Parkway, not calling at stations via Swansea. A replacement bus will run from Llanelli to Port Talbot Parkway.

The 23:20 Cardiff Central to Carmarthen will terminate at Llanelli. A replacement bus will run from Llanelli to Carmarthen.

The 23:48 Swansea to Carmarthen will not run, and will be replaced by a bus.

Tuesday to Friday:

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

The 05:13 Swansea to Llandovery will start from Llanelli at 05:28, with an earlier rail replacement bus running from Swansea to Llanelli, connecting with the train.

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 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.

For the very latest National Rail information click here. Stay informed with our real-time National Rail incidents feed, providing you with up-to-the-minute updates on disruptions and incidents affecting the UK’s railway network. This page is dedicated to delivering accurate and timely information to the public, helping you plan your journeys better and stay ahead of any potential delays. Trust us for all your National Rail incident updates, because we understand that knowledge is the key to a smoother and more convenient travel experience. Please check back for the latest Transport for Wales status updates and disruption travel news. This page created on: 12-Jan-2026 16:45:50: PM
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