Engineering work is taking place between Aylesbury and Aylesbury Vale Parkway overnight from Monday evening until Friday morning.
Early morning engineering work is taking place between Witham and Colchester with 1 line closed.
Engineering work is taking place between Broxbourne / Audley End and Stansted Airport closing the line.
Greater Anglia buses will replace trains between Broxbourne / Audley End and Stansted Airport.
Engineering work is taking place between Kirk Sandall and Hatfield & Stainforth, closing all lines.
Engineering work is taking place between Three Bridges and Horsham on Tuesday, Wednesday and Thursday evening, closing all lines.
Engineering work is taking place between Birkenhead North and New Brighton, closing all lines.
Replacement buses will run between Birkenhead North and New Brighton, connecting with train services at Birkenhead North.
Check before you travel:
Engineering work is taking place between Carlisle and Dalston, closing all lines.
Engineering work is taking place between Carnforth and Wennington, closing all lines.
As a result of this, trains between Lancaster and Leeds will be revised to start / terminate at Bentham.
Engineering work is taking place between Basingstoke and Winchester on Sunday 21 April.
Engineering work is taking place between Machynlleth and Aberystwyth, closing some lines from 23:00 until 06:00 each night.
As a result, buses will replace trains between Machynlleth and Aberystwyth between these times.
Check before you travel: