Engineering work is taking place between Swansea and Llanelli, closing all lines overnight from Monday evening until Friday morning.
Monday to Thursday:
The 18:35 Shrewsbury to Swansea service will be diverted after Llanelli to terminate at Carmarthen instead of Swansea. Rail replacement transport in place between Llanelli and Swansea.
The 21:07 Pembroke Dock to Cardiff Central, will be diverted after Llanelli and will not call at stations via Swansea. A replacement bus will run from Llanelli to Cardiff Central.
The 22:40 Swansea to Carmarthen service will not run, and will be replaced by a bus.
The 23:20 Cardiff Central to Carmarthen service will be diverted after Baglan, and will not run via Swansea. Rail replacement transport is in place from Port Talbot Parkway to Carmarthen via Swansea, calling at the usual stations.
The 23:46 Swansea to Carmarthen service will not run, and will be replaced by a bus.
Tuesday to Friday:
The 04:37 Carmarthen to Swansea service will not run, and will be replaced by a bus.
The 05:13 Swansea to Llandovery will start from Llanelli at 05:30. A replacement bus will run from Swansea at 04:45 to Llanelli, connecting with the amended train service.
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 our Rail Replacement Services page.
You can find the pick-up and drop-off 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.