Tennessee Code Title 54. Highways, Bridges and Ferries § 54-1-126

(1) Maintenance work undertaken by the department of transportation shall be limited to the following items as necessary to maintain the roadway:

(2) Maintenance of the public roadway rights-of-way, including mowing and litter removal, as well as maintenance of golf cart paths, greenways, trails, parking lots, driveways, restricted access service roads, and any similar facilities shall remain the responsibility of the department of environment and conservation. The department of transportation may perform any of this maintenance work on behalf of the department of environment and conservation in accordance with an interagency agreement; provided, that the agreement shall require the department of transportation to be reimbursed for the cost of performing the work;

(3) In coordination with the department of environment and conservation, the department of transportation shall develop and maintain an inventory of public roads and bridges within each state park that are eligible for maintenance by the department of transportation under this subsection (c) and shall develop a program to prioritize maintenance needs. The department may enter into a written agreement with the department of environment and conservation related to such maintenance work;

(4) The department of transportation is authorized to use state highway funds, established in chapter 2, part 1 of this title, to fund the maintenance work authorized in this subsection (c), in accordance with normal budget procedures; and

(5) The department of transportation may enter into agreements with the counties or municipalities in which the state park is located to perform maintenance work on public roads within state parks, and the department may use state highway funds to reimburse the counties or municipalities for the costs of performing such maintenance work.