Mo. Rev. Stat. § 238.250: Contractual powers.

The district may contract with:

(1) A federal agency, a state or its agencies and political subdivisions, the commission, a local transportation authority, a corporation, partnership or individual regarding funding, promotion, planning, designing, constructing, improving, maintaining, or operating a project or to assist in such activity; and

(2) The commission or a local transportation authority to transfer the project to the commission or the local transportation authority free of cost or encumbrance on such terms set forth by contract.