49 U.S.C. § 22702: Authority

(a) In General.—Each State may prepare and maintain a State rail plan in accordance with the provisions of this chapter. (b) Requirements.—The Secretary shall establish the minimum requirements for the preparation and periodic revision of a State rail plan, including that a State shall—(1) establish or designate a State rail transportation authority to prepare, maintain, coordinate, and administer the plan; (2) establish or designate a State rail plan approval authority to approve the plan; (3) submit the State’s approved plan to the Secretary of Transportation for review; and (4) revise and resubmit a State-approved plan no less frequently than once every 4 years for acceptance by the Secretary.