(a) One or more municipalities, counties, or local governmental entities, a combination of municipalities, counties, and local governmental entities, or a private group or combination of individuals in this state may pay all or part of the expenses of studying the cost and feasibility and any other expenses relating to:
(1) the preparation and issuance of bonds for the acquisition and construction of a proposed turnpike project or system by an authority;
(2) the improvement, extension, or expansion of an authority's existing turnpike project or system; or
(3) the use of private participation under applicable law in connection with the acquisition, construction, improvement, expansion, extension, maintenance, repair, or operation of a turnpike project or system by an authority.
(b) Money spent under Subsection (a) for an authority's proposed turnpike project or system is reimbursable without interest and with the consent of the authority to the person paying the expenses described in Subsection (a) out of the proceeds from turnpike revenue bonds issued for or other proceeds that may be used for the acquisition, construction, improvement, extension, expansion, or operation of the turnpike project or system.