Engineering work is taking place between Sherburn-in-Elmet and Moorthorpe, closing some lines.
Engineering work is taking place between Habrough and Ulceby, closing the line.
Saturday
Buses will replace the following services throughout:
Engineering work is taking place between Normanton / Castleford and Leeds, closing the line on Sunday night.
The 21:33 Nottingham to Leeds train will divert via Wakefield Westgate.
Engineering work is taking place between Slough and Twyford, closing 2 out of 4 lines, from approximately 22:30 Saturday and all day Sunday.
Trains will be unable to call at Burnham or Taplow.
Buses replace late evening trains between Clitheroe and Blackburn from Monday 22 to Thursday 25 July
Track maintenance work is taking place between Hellifield and Blackburn, closing all lines overnight.
The following alterations will occur on Monday, Tuesday, Wednesday and Thursday:
Engineering work is taking place between Derby and Nottingham, closing all lines overnight.
Engineering work is taking place between Habrough and Ulceby, closing the line.
Saturday
Buses will replace the following services throughout:
Engineering work is taking place between Darlington and Durham from 23:15 on Saturday night, closing some lines.
Engineering work is taking place between Westbury and Trowbridge until 08:30, closing some lines.
The following train will be amended:
Engineering work is taking place between Reading and Didcot Parkway, closing 2 out 4 lines.