Upon receipt of the report, as provided in section 39-1722, the county board shall adopt a resolution fixing the time, date, and place for public hearing. Such resolution shall contain a clear and unambiguous description of the road to be vacated or abandoned. The county board shall cause such resolution to be published once a week for three consecutive weeks in a legal newspaper published in the county or, if none is published in the county, in a legal newspaper of general circulation in the county. Whenever possible the board shall cause copies to be served by either registered or certified mail upon the owners of land abutting on or adjacent to the road to be vacated or abandoned and upon the planning and public works directors of a city of the metropolitan, primary, or first class when such road or any part thereof is within the area of the zoning jurisdiction of such city by mailing the same to the last-known address of each owner not less than two weeks in advance of the hearing.