Saturday and Sunday:Engineering work is taking place overnight in the West Croydon area, closing some lines. The 12.30am train on Sunday from London Victoria to Sutton will terminate at West Croydon. A replacement bus will run from West Croydon to Sutton. Until approximately 9.30am on Sunday morning, buses will replace trains between West Croydon and Sutton Epsom Downs. Buses will also replace trains between Epsom, Streatham Common, and Clapham Junction.