Royston Depot Photo by Jimmy Emerson, DVM. Some rights reserved. Royston's depot is owned by the city and is available to rent for events. The rail line through town, built as the Elberton Air Line, eventually became a part of Southern Railway. It is now operated by the Hartwell Railroad. February 2003 photo. RailGa.com. Georgia's Railroad History & Heritage. © Steve Storey Railroad History | The Depot List | Locomotives On Display | Odds & Ends | Sources & References | Home