Kentucky State Route 312 is an east-west highway in Northern Whitley County. It runs from Knox/Whitley County Line, at Corbin to the Whitley/Laurel County Line, at the Laurel River, north of Corbin. KY St Rt 312 passes through the following town in Whitley County. Corbin
KY St Rt 312 is multi-plexed in Whitley County. U.S. Rt. 25W, at Corbin.
KY St Rt 312 crosses the following highways in Whitley County. U.S. Rt. 25W, at Corbin.