These will affect trains from Saturday to Bank Holiday Monday (May 3 to May 5).
We have outlined and simplified the details so you can plan your journey this weekend.
Saturday to Bank Holiday Monday (May 3 to May 5):
Engineering work is taking place between London Victoria and Clapham Junction on Saturday and Sunday, and between Clapham Junction and East Croydon on Monday, closing various lines.
A reduced train service will run between London Victoria and Clapham Junction and East Croydon.
On Saturday, no Southern trains will call at stations via Sydenham.
Paper tickets will be accepted on London Underground between London Bridge and Canada Water and on London Overground between Canada Water and Crystal Palace.
Trains which usually run on Saturday between London Bridge and Epsom will not run.
Trains which usually run between Littlehampton, Eastbourne and London Victoria will be diverted to run to and from London Bridge.
Trains that usually run between London Victoria and Reigate will be amended to run between Reigate and Redhill only.
Bank Holiday Monday (May 5):
All day on Bank Holiday Monday, trains will run to an amended timetable between London Victoria, Clapham Junction, East Croydon, West Croydon, and Epsom Downs.
A reduced number of trains will run between London Victoria and Littlehampton and between London Victoria and Eastbourne.
Trains that usually run between London Victoria and Reigate will be amended to run between Reigate and Redhill only.
Engineering work is also taking place between Clapham Junction and East Croydon, closing some lines.
All day on Bank Holiday Monday, trains will run to an amended timetable between London Victoria, Clapham Junction, East Croydon, West Croydon, and Epsom Downs.
A reduced number of trains will run between London Victoria and Littlehampton, and also between London Victoria and Eastbourne.
Trains that usually run between London Victoria and Reigate will be amended to run between Reigate and Redhill only.
