This is due to engineering work and will affect trains on Saturday and Sunday (November 8 and November 9).
We have broken down the details for you to plan ahead this weekend.
Saturday and Sunday (November 8 and November 9):
Engineering work is taking place from 8pm on Saturday evening until the end of service, between Shepherds Bush and Watford Junction and all day on Sunday, between Clapham Junction and Watford Junction, closing all lines.
From approximately 8pm on Saturday evening until the end of service, no Southern trains will run between Shepherds Bush and Watford Junction.
All day on Sunday, no Southern trains will run between Clapham Junction and Watford Junction.
Sunday (November 9):
Engineering work is taking place between South Croydon and Oxted, East Grinstead, and Uckfield, closing all lines.
All day on Sunday, no trains will run between South Croydon and the above stations.
Replacement buses will run between Purley and East Grinstead calling at Upper Warlingham and Oxted and East Grinstead.
They will also run between Oxted and East Grinstead calling at all stations and between Oxted and Crowborough and between Crowborough and Uckfield.
Sanderstead and Riddlesdown will have no train or replacement bus service all day on Sunday.
Customers travelling to and from Sanderstead are advised to use Purley Oaks station and customers travelling to and from Riddlesdown are advised to use Purley Station.
Journey times will be increased when using replacement buses.

