Transportation Code, §391.091 and §391.099, requires the department to contract with a person, firm, group, or association in the State of Texas to erect and maintain information logo and tourist-oriented directional signs within eligible highway rights of way. It further requires the commission to adopt rules necessary to administer and enforce this signing program, and to regulate the content, composition, placement, erection, and maintenance of these signs within eligible highway rights of way. The sections in this subchapter prescribe the policies and procedures for the implementation of this program.