Tennessee Code Title 13. Public Planning and Housing § 13-10-203

(1) Investigation and enforcement of federal and state laws regarding rail fixed guideway public transportation safety;

(2) Establishment of minimum safety standards for the rail fixed guideway public transportation systems in the state;

(3) Review, approval, oversight, and enforcement of the public transportation agency safety plan required under 49 U.S.C. § 5329(d), including implementation by a rail fixed guideway public transportation system of the system's plan; and

(4) Oversight and enforcement of corrective action by rail fixed guideway public transportation systems in a manner directed by the commissioner or commissioner's designee as needed, including compelling the removal of a specific hazard, immediately suspending or prohibiting rail service as appropriate, or taking other action consistent with this purpose.