Engineering work is taking place between Bridgend and Cardiff Central, closing some lines.
The 07:55; 09:23; 10:22 and 11:23 Swansea to London Paddington trains will depart Swansea, Neath, Port Talbot Parkway and Bridgend a few minutes earlier than normal before diverting between Bridgend and Cardiff Central (via Ninian Park â not calling).
Normal timings departing Cardiff Central and beyond.
The 08:35 Swansea to London Paddington is unaffected by this engineering work.
Trains from London Paddington are also unaffected.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner