The City Manager is authorized to place and maintain distinctive roadway markings, as described in the Vehicle Code of the State, on those streets or parts of streets where the volume of traffic or the vertical or other curvature of the roadway renders it hazardous to drive on the left side of such markings or signs and markings. Such markings or signs and markings shall have the same effect as similar markings placed by the State Department of Public Works pursuant to provisions of the Vehicle Code of the State. (Ord. 87-4 § 15, 1987; Ord. 76-3 § 1, 1976; Ord. 155 NS § 4.4, 1967; prior code § 13-26.)