Okla. Stat. tit. 63 § 1078
An authority shall have the right to acquire by the exercise of the power of eminent domain any real property or interest therein which it may deem necessary for its purposes under this act after the adoption by it of a resolution declaring that the acquisition of the real property described therein is necessary for such purposes.
An authority may exercise the power of eminent domain in the same manner and by like proceedings as provided for railroad corporations under the laws of this state.
Property already devoted to a public use may be acquired in like manner, provided that no real property belonging to any city, county, or any other political subdivision of the state may be acquired without its consent.
In the event any housing authority in exercising any of the powers conferred by this act makes necessary the relocation, raising, rerouting or changing the grade of or altering the construction of any railroad, common carrier, public utility property or facility, all such relocation, raising, rerouting, changing of grade or alteration of construction shall be accomplished at the expense of the housing authority, provided that the housing authority shall not disturb the possession or operation of any railroad, common carrier, or public utility in or to the appropriated property or facility until the relocated property or facilities are available for use and until marketable title thereto has been transferred to the railroad, common carrier or public utility.
Okla. Stat. tit. 63, § 1078