SR 459 is a two-lane road for its entire length, and is commonly referred to as the Lexington Bypass.

Here, westbound traffic on US 412 continues freely onto SR 459, and must make a turn to remain on the former route.

The route runs south, and then southeast, before reaching an intersection with the eastern terminus of SR 200 a few miles later.

[3] The contract for the first phase of the bypass between US 412 and SR 22 was awarded on December 23, 2019,[4] and construction began in March 2020.

The road was expected to be complete in October 2022, but experienced many delays, and did not open until June 29, 2023.