Railway station in Travelcard Zone 5 opened 1844. It is located on the Sutton & Mole Valley Lines section from Sutton to Epsom with trains to London Victoria and London Bridge both via Mitcham Junction and West Croydon.
More information on the Wikipedia page 
Cheam Underground StationEdit
From the Wikipedia page 
Cheam was an authorised railway station planned by the Wimbledon and Sutton Railway (W&SR) and Underground Electric Railways Company of London (UERL) but never built. It was to be located on Cheam Road in Sutton in south-west London.
The TfL page is .