The changes are due to engineering work and will affect trains from Monday to Friday (July 14 to July 18).
We have outlined and simplified the details so you can plan your journey this weekend.
Monday to Friday (July 14 to July 18):
Engineering work is taking place overnight in Croydon, Sutton, and Epsom.
From approximately 11pm until the end of service on Monday to Thursday evenings, buses will replace trains between Norwood Junction and Selhurst and between Norwood Junction and West Croydon, Sutton, and Epsom Downs.
Journey times will be increased when using replacement buses.
Engineering work is also taking place overnight between Purley and Caterham and Tattenham Corner, closing some lines.
From approximately 10.45pm until the end of service on Monday to Thursday evenings, buses will replace trains between East Croydon, Purley, Caterham, and Tattenham Corner.
Journey times will be increased when using replacement buses.
