Milledgeville & Asylum Dummy Line Railroad Above, a steam dummy of the type used on the M&ADLRR The Milledgeville and Asylum Dummy Line Railroad, incorporated in 1888, was a 4-mile line operating from Milledgeville to the state mental hospital. See Streetcars in Milledgeville for more information.   RailGa.com. Georgia's Railroad History & Heritage. © Steve Storey Railroad History | The Depot List | Locomotives On Display | Odds & Ends | Sources & References | Home