Engineering work is taking place between Bourne End and Maidenhead, closing all lines very early on Sunday morning.
Engineering work is taking place between Rugby and Long Buckby, closing some lines.
Engineering work is taking place between Potters Bar and Welwyn Garden City, closing some lines.
Engineering work is taking place between Barnes and Feltham, closing all lines via Brentford.Saturday:
Engineering work is taking place between Hertford North and Letchworth Garden City / Biggleswade, closing all lines late on Sunday night.
Engineering work is taking place early morning between Ilkley and Kirkstall Forge, closing some lines.
Engineering work is taking place between Purley and Caterham / Tattenham Corner, closing all lines overnight from Monday evening until Friday morning.
Engineering work is taking place in the early hours between Brighton and Haywards Heath, closing some lines.
Engineering work is taking place between Slough and Reading, closing some lines.The following trains will not call at Burnham or Taplow:
Engineering work is taking place between Preston and Blackburn, closing all lines early on Tuesday to Friday mornings.