Kentucky State Highways

Discover the layout and history of Kentucky State Highways, including major routes, scenic byways, and how they connect cities, rural areas, and the region’s unique geography.

Kentucky’s state highway system plays a vital role in connecting communities across the Bluegrass State, from its bustling cities to its most remote hollows. Managed by the Kentucky Transportation Cabinet (KYTC), this network spans over 63,000 miles and includes everything from multi-lane urban connectors to winding rural roads that trace the contours of Appalachian foothills. These routes are designated with numbers ranging from KY 1 through KY 9999, with primary, secondary, and rural classifications based on their importance and traffic levels.

Many of Kentucky’s state highways have historic or scenic significance. For instance, KY 7 passes through the lush hills of Eastern Kentucky and serves as part of the Country Music Highway, while KY 80 is one of the longest in the state, running nearly the full width of Kentucky from the Mississippi River to the Virginia border. Other routes like KY 15 and KY 52 traverse some of the most rugged and beautiful terrain in the state, offering motorists a chance to experience Appalachian culture and natural beauty.

In urban centers such as Louisville, Lexington, and Bowling Green, state routes often serve as vital arteries that complement the interstate and U.S. highway systems. Many of these roads have been widened and upgraded to meet modern traffic demands, while in more rural counties, state highways are often the only paved routes available. With projects constantly underway to improve safety and connectivity, Kentucky’s highway system continues to evolve as a critical part of the state’s infrastructure and heritage.

Tour Kentucky State Highways

Kentucky Route 121: Murray to Tennessee

Kentucky Route 121: Murray to Tennessee

Travel 16 miles south along Kentucky Route 121 from Murray to the Tennessee state line. Explore this scenic connector through western Kentucky farmland, small towns like New Concord, and into lake country via TN-119.

Kentucky Route 2075: Murray

Kentucky Route 2075: Murray

Explore Kentucky Route 2075, a short but important urban connector in Murray, KY, linking US-641 to KY-94 and KY-121 near downtown and Murray State University.

Kentucky Route 91: Cave-In-Rock to Marion

Kentucky Route 91: Cave-In-Rock to Marion

Travel 11 miles along Kentucky Route 91 from the Cave-In-Rock Ferry to Marion, Kentucky, through forested hills, farmland, and quiet rural countryside. Includes a unique ferry crossing and scenic views of the Ohio River Valley.

Kentucky Route 91: Marion to Cave-In-Rock Illinois

Kentucky Route 91: Marion to Cave-In-Rock Illinois

Take a scenic drive along Kentucky Route 91 from Marion to the Cave-In-Rock Ferry crossing into Illinois. Explore wooded hills, rural backroads, and the historic Ohio River ferry at the heart of this 12-mile journey.

Kentucky Highway 676: Frankfort

Kentucky Highway 676: Frankfort

Travel Kentucky Highway 676 through Frankfort for four miles of scenic river views, easy access to parks and historic sites, and a direct connection between downtown and the city’s busy east end. Discover what makes this short drive an essential piece of Frankfort’s…

Kentucky Highway 420: Frankfort

Kentucky Highway 420: Frankfort

Explore Kentucky Highway 420 through Frankfort—a short but scenic 2-mile route connecting the Kentucky State Capitol to the East-West Connector (KY-676). Discover historic sites, river views, and essential travel connections in Kentucky’s capital city.

Kentucky Route 4: Lexington

Kentucky Route 4: Lexington

Experience Lexington from the driver’s seat with an 8-mile cruise along Kentucky Route 4, also known as New Circle Road. This urban bypass loops around the city’s western and southern edges, connecting key interchanges, retail centers, and some of Lexington’s most…

Kentucky Route 91: Hopkinsville to Princeton

Kentucky Route 91: Hopkinsville to Princeton

Take a scenic ride through the rolling hills of western Kentucky as we follow Kentucky Route 91 from Hopkinsville to Princeton. This 27-mile journey carries us through a countryside rich in farmland, history, and quiet rural charm—showcasing the region’s agricultural…