Jonesboro Depot Jonesboro's gray stone depot, built in 1867 for the Macon & Western Railroad, now houses a welcome center and the Road To Tara Museum, an exhibit of Civil War and Gone With The Wind items. (Photo by Chris Little, 2001) Jonesboro, a city of 4,580 in south metro Atlanta, is the county seat of Clayton County.   RailGa.com. Georgia's Railroad History & Heritage. © Steve Storey Railroad History | The Depot List | Locomotives On Display | Odds & Ends | Sources & References | Home