Okla. Stat. tit. 69, § 69-1309: Acquisition

To the extent that the governing body or board of county

commissioners deems the acquisition of property necessary in the

establishment of such limited access facility, the city or the

county shall have full authority under the laws of eminent domain to

acquire the real estate; provided, that to the extent that the cost

of the acquisition shall be intended to be paid for by assessments

in the manner provided for in this article, the city or county shall

have authority to secure funds to the extent, and to the extent

only, of the amount required for such acquisition by condemnation,

in the manner provided in this article.