Early roads were established through orders of the County Court. They were usually maintained by the people who lived along the roads.

Eventually a series of turnpikes grew up to allow quicker travel through the county. Many of these were later replaced by state and interstate highways.

• I-75
• I-275
• U.S. 25 (Dixie Highway)
• U.S. 42
• Ky 18
• Ky 20
• Ky 338 (Idlewild Road)

• Beaver Lick-Richwood Turnpike
• Belleview-Petersburg Turnpike
• Burlington Turnpike
• Burlington-Florence Turnpike
• Burlington-Petersburg Turnpike
• Covington-Lexington Turnpike
• Georgetown-Cincinnati Turnpike
• Louisville Turnpike

• Conner Road
• Ryle Road
• Stevenson Lane

• Early Road Laws in Kentucky
• Boone County Court Orders : Road Precincts and Surveyors, 1829.
• Boone County Court Orders : Road Precincts and Surveyors, 1829-1830.
• Tanner, Paul. Toll Roads in Kentucky 1817 to 1917 and Boone County

• Transportation in Boone County