Engineering work is taking place between Maidenhead and Bourne End, closing all lines very early on Sunday morning.
Engineering work is taking place between Reading and Basingstoke before 08:20 on Sunday, closing all lines.
Before 08:20, buses will replace trains between Reading and Basingstoke.
Engineering work is taking place between Shepherds Bush and Watford Junction, closing some lines.
Engineering work is taking place between Streatham and Sutton via Mitcham Jcn, closing all lines.
Engineering work is taking place between Hebden Bridge and Preston all weekend, closing all lines.
Saturday:
Engineering work is taking place between Clapham Junction and Richmond / Kew Bridge, closing various lines.
Buses will replace trains between Clapham Junction and Kew Bridge / Twickenham.
Due to a fault on a train services are unable to run between Stourbridge Junction and Stourbridge Town. Trains will be cancelled between these stations.
Disruption is expected until approximately 08:00.
Due to a tree blocking the railway between Chessington South and Motspur Park, trains running between these stations may be cancelled or revised.
Disruption is expected until 17:00.
Engineering work is taking place between Laindon and Leigh-on-Sea and also between Stanford-le-Hope and Pitsea from 00:10 until 04:30 each morning, closing some lines.
Engineering work is taking place between Lewes and Brighton all day, closing all lines.
As a result buses replace trains between Lewes and Brighton.