Kentucky State Route 90 is a north-south highway in Central Barren County. It runs from the Barren/Metcalfe County Line to near Cave City. KY St Rt 90 passes thorugh the following towns in Barren County. Eighty Eight Glasgow
Branches of KY St Rt 90 in Barren County. A BGS on WB Cumberland Pkwy. A junction marker on NB BUSN U.S. Rt. 31E. WB U.S. Rt. 68/KY St Rt 80; NB KY St Rt 90 north of Downtown Glasgow. NB KY St Rt 90 north of Glasgow. A guide marker on Cave City.