Except on such streets that form a part of the route of a primary or secondary state highway upon which the state law requires the director of highways to install, operate, maintain, and control traffic-control devices, whenever any ordinance of this city designates and describes an arterial highway, it shall be the duty of the street superintendent to place and maintain a stop sign on each and every street intersection of such arterial highway or intersecting that portion thereof described and designated as such by any ordinance of this city.
(Ord. 373 § 33, 1964)