That same year, the Tennessee Department of Highways and Public Works, the predecessor agency to the Tennessee Department of Transportation (TDOT), was formed and tasked with establishing a state highway system. On October 1, 1923, the Tennessee section of the route was designated as SR 32 with the approval of the initial routes of the Tennessee State Route System.
That same year, the Tennessee Department of Highways and Public Works, which later became the Tennessee Department of Transportation (TDOT), was established to create a state highway system. On October 1, 1923, the Tennessee section of the route was designated as SR 32 with the approval of the initial routes in the Tennessee State Route System.