Engineering work is taking place between Cardiff Central and Bridgend, closing some lines overnight from Monday evening until Friday morning.
Monday to Thursday:
The 20:48 London Paddington to Swansea will divert between Cardiff Central and Bridgend (via Ninian Park) calling at Bridgend and beyond a few minutes later than normal.
The 21:48 and 22:49 London Paddington to Swansea will divert between Cardiff Central and Bridgend (via Barry) calling at Bridgend and beyond later than normal.
Tuesday to Friday:
The 03:46 Swansea to London Paddington service will be amended to start from Swansea earlier than usual at 03:38, and will call at Neath, Port Talbot Parkway and Bridgend earlier than usual. It will then divert to run via Barry, and will then depart Cardiff Central at the normal time.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner.