Southern train lines will be disrupted throughout the week as planned engineering works take place on its network.
Services from London Victoria and Epsom, Dorking and Horsham will be affected, with the works scheduled to begin tonight (Tuesday).
The work is due to take place overnight between Norwood Junction, Streatham and Selhurst as well as Sutton and Wimbledon.
As a result, Southern trains after 21.45 between London Victoria and West Croydon will be diverted and will terminate at East Croydon.
A replacement bus service will also run between Selhurst and Norwood Junction and West Croydon, Sutton and Epsom Downs.
Passengers have been warned to check their routes before they travel.
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