Arizona Revised Statutes Title 28. Transportation § 28-7043. Designation of state route as state highway

A. At least two weeks before the designation and acceptance by the transportation board of a state route or portion of a state route as a state highway, the transportation board shall give notice to the board of supervisors of the county in which the proposed highway is located of the intention of the transportation board to consider the designation.

B. The board of supervisors may:

C. Until designated and accepted as state highways, all state routes are county highways and shall be constructed, improved and maintained as county highways, except as otherwise provided in this title.

D. A part of a state route shall not be taken over or designated as a state highway until monies for its improvement are provided in the budget of the department. If part of a state route is designated and accepted by the transportation board as a state highway, the department shall maintain the highway.