Okla. Stat. tit. 69, § 69-3002: Power of condemnation

A public trust created under the terms of this act shall have

the power to condemn property in like manner as railroad companies

for purposes consistent with the intent of this act. Provided that

before any action for condemnation shall be instituted by such

public trust, there shall have been a contract entered into for the

construction of the toll expressway and a performance bond shall

have been posted with the trustees in an amount equal to the

estimated cost of labor and materials, and the trustees shall

investigate and be assured on reasonable evidence that the

contractor or such other party who is to participate in all or a

portion of the cost of acquiring rights-of-way is financially able

and has committed in writing to the payment for a portion or all of

the estimated cost of acquisition of necessary rights-of-way.