A. 
The Board of Selectmen is hereby authorized and as to those signs and signals required hereunder it shall be its duty to place and maintain or cause to be placed and maintained all official traffic signs, signals, markings and safety zones. All signs, signals, markings and safety zones shall conform to the standards as prescribed by the Massachusetts Department of Transportation.
B. 
Sections 380-2 and 380-3 and 380-12 relating to parking shall be effective only during such time as a sufficient number of official signs are erected and maintained in each block designating the provisions of such sections and located so as to be easily visible to approaching drivers.
It shall be unlawful for any person to place or maintain or to display upon or in view of any street any unofficial sign, signal, marking, or device which purports to be or is an imitation of or resembles an official traffic sign, signal, marking or device or which attempts to direct the movement of traffic or which hides from view any official sign or signal. The Chief of Police is hereby empowered to remove every such prohibited sign, signal, marking or device or cause it to be removed without notice.
No driver of any vehicle shall disobey the signal or direction of an officer or the instructions of any official traffic control signal, sign, marking, marker or legend, unless otherwise directed by a police officer or officer of the Fire Department in the event of a fire or other emergency.