Okla. Stat. tit. 69 § 1705.6
The Oklahoma Turnpike Authority shall be authorized to construct and it is the intent of the Legislature that they do construct, by December 31, 1994, an interchange with a tollgate and full entry and exit ramps in the vicinity of Luther on the turnpike in Oklahoma County, provided that all right-of-way, grading, base preparation, drainage and structures other than tollgates and paving, are constructed without cost to the Authority and ownership thereof transferred to the Authority upon completion thereof. Such construction shall be in accordance with the most recent edition of the geometric design standards of the American Association of State Highway and Transportation Officials (AASHTO). The Authority shall issue a progress report on the Luther interchange by December 31, 1992, to the Speaker of the House of Representatives and the President Pro Tempore of the Senate.
Okla. Stat. tit. 69, § 1705.6