Kentucky State Route 418 runs north-south in Southeastern Fayette County. It runs from U.S. Rt. 25/421, near Lexington to the Fayette/Clark County Line, near the Boone Station State Historical Site. KY St Rt 418 passes through the following towns in Fayette County. Lexington Athens KY St Rt 418 is not multi-plexed in Fayette County. KY St Rt 418 intersects the following highways in Fayette County. U.S. Rt. 25, near Lexington. U.S. Rt. 421, near Lexington. Interstate 75, near Lexington. Kentucky Secondary State Route 1973, at Athens.