Subject to the approval of the City Council by resolution or motion, the Public Works Director shall:
A. Designate stop streets;
B. Designate 1-way streets;
C. Designate crosswalks, safety zones and traffic lanes;
D. Designate areas in which no parking shall be permitted and areas in which the time of parking is to be limited;
E. Direct the placing and maintenance of those traffic signs, markers and signals as may be reasonably necessary to carry the above powers into effect and for the regulation and safety of traffic;
F. Exercise a general supervision over the administration and enforcement of all traffic ordinances; and
G. Require the pruning or trimming of trees and shrubs along streets and highways so that they will not obstruct the view for traffic; and order the removal or alteration of any signs, fences or other objects along streets and highways that are an obstruction of the view for traffic.