Okla. Stat. tit. 47, § 47-1-184: Turnpike and turnpike authority

Turnpike and Turnpike Authority.

A. The words "Turnpike Authority", “Transportation Authority”,

or "Authority" shall mean the Oklahoma Transportation Authority,

created by Section 1703 of Title 69 of the Oklahoma Statutes, or, if

the Authority shall be abolished, the board, body, or commission

succeeding to the principal functions thereof or to whom the powers

given by this act to the Authority shall be given by law.

B. A turnpike is a limited access grade separated expressway

financed and operated by the Oklahoma Transportation Authority upon

which a toll is charged for the use thereof.