The Superintendent of the Department of Public Works is hereby authorized to place and maintain or cause to be placed and maintained all official traffic signs, signals and markings. All official traffic signs, signals and markings shall conform to the standards as prescribed by the State Department of Public Works.
Regulations relating to no-parking zones shall be effective only during such times as a sufficient number of official no-parking signs are erected and maintained designating the no-parking zone, provided that such signs are visible to approaching operators.
No person shall place, maintain or display or cause to be placed, maintained or displayed any unofficial sign, signal or marking which purports to be, resembles or is an imitation of an official traffic sign, signal or marking which attempts to direct the movement of traffic or which hides from view any official sign, signal or marking. The Chief of Police is hereby empowered to remove without notice any unofficial sign, signal and marking which violates this section.