Engineering work is taking place overnight at Swansea station, closing some lines.
Wednesday and Thursday:
The 18:35 Shrewsbury to Swansea service will run between Shrewsbury and Llanelli. A replacement bus will run between Llanelli and Swansea.
The 21:07 Pembroke Dock to Cardiff Central will be diverted and will not call at stations between Whitland and Port Talbot Parkway / Cardiff Central. A bus will run between Swansea and Cardiff Central for intermediate stops.
The 23:17 Cardiff Central to Carmarthen train will be diverted via Bynea.
The 23:46 Carmarthen to Swansea train will not run and will be replaced by a bus.
Thursday and Friday:
The 04:37 Carmarthen to Swansea train will not run and will be replaced by a bus.
The 05:13 Swansea to Llandovery will run between Llanelli and Llandovery. A replacement bus will run between Swansea and Llanelli to connect with train.
Check before you travel:
You can plan your journey using the National Rail 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.