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.
B. 
All signs, signals, markings and safety zones shall conform to the standards as prescribed by the Department of Public Works of the Commonwealth of Massachusetts.
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 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.
Any person who willfully defaces, injures, moves, obstructs or interferes with any official traffic sign, signal or marking shall be liable to a penalty not exceeding $20 for each and every offense.
The location of all bus stops shall be specified by the Board of Selectmen, and it shall designate who may use them as such.
No driver of any vehicle shall disobey the instructions of any official traffic control signal, sign, marking, marker or legend unless otherwise directed by a police officer.