The railway lines have been closed between Leamington Spa and Banbury whilst the emergency services deal with an incident.
Engineering work is taking place between Rugby and Northampton, closing all lines overnight from Monday evening until Friday morning.
Engineering work is taking place overnight in the Radyr area, closing various lines.
Sunday to Thursday only
Engineering work is taking place between Tilehurst and Didcot Parkway, closing some lines late on Saturday evening.
As a result, the following trains will be amended to not call at Pangbourne:
Engineering work is taking place between Reading and Southall, and between Southall and London Paddington, closing all lines late on Saturday evening.
Engineering work is taking place overnight between Nuneaton and Tamworth, closing some lines.
Monday to Thursday
Engineering work is taking place between Slough and Reading, closing various lines on Sunday evening.
As a result, the following trains will not call at Burnham:
Engineering work is taking place between Colchester and Colchester and Clacton-on-Sea / Walton-on-the-Naze, closing lines late on Saturday evening.
Engineering work is taking place between Harlesden and Hemel Hempstead, closing some lines.
Engineering work is taking place until 12:00 between Shepherds Bush and Watford Junction, closing some lines.