Engineering work is taking place between Port Talbot and Swansea, closing some lines.
As a result, the 23:20 Cardiff Central to Carmarthen service will be diverted after Port Talbot Parkway, and will not call at Baglan, Briton Ferry, Neath, Skewen, Llansamlet, Swansea or Gowerton.
Two replacement buses will run:
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.