Highway markers for Interstate 75, U.S. Route 60, and Kentucky Route 1
Highway names
Interstates
Interstate nn (I-nn)
US Highways
U.S. Highway nn (US nn)
State
Kentucky Route nn (KY nn)
System links
Kentucky State Highway System
Interstate
US
State
Parkways
The Kentucky Revised Statute 177.020(1)[1][2] provides that the Department of Highways, a part of the Kentucky Transportation Cabinet, is responsible for the establishment and classification of a State Primary Road System which includes the state primary routes, interstate highways, parkways and toll roads, state secondary routes, rural secondary routes and supplemental roads. These routes are listed below.
^603 KAR 3:030. Primary road system classifications
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