Engineering work is taking place between Crewe and Stockport, closing lines overnight from Monday evening until Friday morning.
Engineering work is taking place between Cardiff Queen Street and Taffs Well, closing all lines before 12:30.
As a result, buses will replace trains between Cardiff Queen Street and Taffs Well.
Engineering work is taking place in the Swansea area, closing lines overnight from Monday evening until Friday morning.
Engineering work is taking place between Severn Tunnel Junction and Patchway, closing some lines.
As a result, the 23:27 Cardiff Central to Bristol TempleMeads will operate approximately 5 minutes later than normal from Patchway and beyond.
Engineering work is taking place between Cardiff Central and Bridgend via Barry, closing all lines.
Amended 20:05 Cardiff Central to Machester Piccadilly service from Monday 19 to Thursday 22 February
Engineering work is taking place overnight between Crewe and Manchester Piccadilly, closing some lines.
Engineering work is taking place between Cardiff Central and Ebbw Vale Town, closing all lines.
Engineering work is taking place on 1 out of 2 tracks between Severn Tunnel Junction and Patchway from 23:30 until 05:30 each morning, closing some lines.
Engineering work is taking place between Cardiff Central and Barry, closing all lines before 12:25 on Sunday. âââââââ
Engineering work is taking place between Newport and Ebbw Vale Town, closing all lines. âââââââ