Tennessee Code Title 65. Public Utilities and Carriers § 65-11-107

The department of transportation through its commissioner or the commissioner's designee has the power to eliminate grade crossings of any railroad or interurban railway track on any of the main traveled roads designated by the commissioner or the commissioner's designee as included in the general highway plan of the state, whenever, in the discretion of the commissioner or the commissioner's designee, the elimination of any such grade crossing is necessary for the protection of persons traveling on any such highway or any such railroad.