Okla. Stat. tit. 60, § 60-811: Joint development use plans

A. The state and any of its political subdivisions, port

authorities and turnpike authorities may join, cooperate and

contract with other agencies or instrumentalities of federal, state

or local governments, or with private persons, corporations,

partnerships, business associations, fiduciaries or personal

representatives in and for the acquisition, condemnation, purchase,

lease, sale, assignment, mortgage or use of title, rights, interests

and estates in airspace. This power shall include, but shall not be

limited to, the joint development and multiple use of rights-of-way

and adjoining property or airspace. In furtherance of such

functions, the aforementioned entities and authorities shall have

the following powers:

1. To do all things necessary to develop and effectuate a joint

development and multiple use plan for an area which is to be

developed, including the coordination of such plan and cooperation

with all other affected agencies of federal, state or local

governments; to collect and distribute informational material

pertaining thereto; to cooperate and coordinate activities and

functions with interested or affected private persons, corporations,

partnerships, business associations, fiduciaries, personal

representatives or groups; to employ consultants, planners and

professional or advisory personnel or services; to contract with

federal, state, regional or local authorities or agencies, or with

private persons, corporations, partnerships, business associations

or other such organizations or associations for the preparation of

transportation and land use studies; and to contract for services,

labor, supplies, equipment or other items with governmental

authorities or private persons, corporations, partnerships, business

associations, fiduciaries, personal representatives or other persons

as may be necessary to effectuate the joint development and multiple

use plan;

2. To apply for, accept, receive, spend and account for such

funds, grants, loans, gifts and services from federal, state,

regional or local governments or their instrumentalities or from

private persons or from other sources as may be needed to develop

and effectuate the joint development and multiple use plan; and to

provide and agree to such reasonable conditions and requirements as

may be necessary in connection therewith; and

3. To perform such other acts and enter into such contracts or

execute such other legal documents as may be necessary or

appropriate to develop, effectuate or execute the joint development

and multiple use plan.

B. The state and any of its political subdivisions, port

authorities and turnpike authorities may join with any other

federal, state, regional or local governmental authority in the

condemnation through exercise of the power of eminent domain of land

or airspace in excess of that necessary for the highway, road or

street right-of-way, whenever such excess condemnation is necessary

and appropriate to effectuate a joint development and multiple use

plan.