(a) The City Traffic Engineer is hereby authorized to determine those intersections at which drivers of vehicles shall not make a right, left or U turn, and shall place or cause to be placed proper signs at such intersections. The making of such turns may be prohibited between certain hours of any day and permitted at other hours, in which event the same shall be plainly indicated on the signs or the signs may be removed when such turns are permitted.

(b) Whenever authorized signs are erected or temporarily displayed on a movable standard indicating that no right or left or U turn is permitted, no driver of a vehicle shall disobey the directions of any such sign. (Ord. 01-89 § 2, 2001.)