Section 28-7907 - Agreement with secretary of transportationA. The director shall enter into the agreement with the United States secretary of transportation provided for by 23 United States Code section 131(d) providing the standards governing the size, lighting and spacing of outdoor advertising authorized under section 28-7902, subsection A, paragraphs 4 and 5 and defining an unzoned commercial or industrial area.B. If the standards and definitions contained in the agreement do not agree substantially with this article, the agreement is not effective until this article is amended to conform with the terms of the agreement.