Nevada State Route 490State Route 490 is a state highway in White [Pine County, Nevada|White Pine County], Nevada. The route serves a state prison north of Ely.Route descriptionThe route begins at the entrance to the Ely State Prison, a maximum-security penitentiary north of Ely. From there, the route follows Lackawanna Road in a southeasterly direction through desert terrain for nearly. SR 490 then cuts through a short mountain gap and turns nearly due south. After another, the route turns easterly at a T-intersection. SR 490 then travels about further to the southeast to reach its terminus at a junction on U.S. [Route 93 in Nevada|U.S. Route 93] northeast of Ely and just south of the Ely Airport.HistorySR 490 was added to the state highway system on January 17, 1992.