A. 
The state traffic laws regulating the speed of vehicles shall be applicable upon all streets within the Town, except as these regulations, as authorized by state law, hereby declare and determine upon the basis of engineering and traffic investigation that certain special speed regulations shall be applicable upon specified streets or in certain areas, in which event it shall be unlawful for any person to drive a vehicle at a speed in excess of any speed so declared in these regulations when signs are in place giving notice thereof.
B. 
Movement of vehicles on the streets or portions thereof designated in Schedule No. 6 hereto appended and specifically incorporated in this subsection are controlled by special speed regulations and all vehicular traffic except for emergency vehicles responding to an emergency shall move at a speed no greater than that designated in said Schedule No. 6.
C. 
Any person who drives a vehicle in excess of any speed so declared in these regulations shall be dealt with as provided in Chapter 90, Section 20 of the General Laws.