O.C.G.A. § 22-3-43

The procedure in the condemnation of public roads and highways shall be the same as provided by Chapter 2 of this title insofar as the procedures described in that chapter are not in conflict with this part. The public officer or officers to be notified and served as provided in Code Section 22-3-42 shall act for and in behalf of the state or county, as the case may be, in the appointment of an assessor and in all other respects as provided in Chapter 2 of this title with respect to the owner of the property or interest sought to be condemned.