A. 
The Select Board 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 Department of Public Works of the Commonwealth of Massachusetts.
B. 
Sections 420-3 and 420-4 of Article II and § 420-18B of Article V relating to parking shall be effective only during such time as 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. Sufficient number of such signs must be provided so that a car cannot be parked in a limited or prohibited parking place without having the legend side of such a sign, clearly setting forth the parking regulation thereat, visible from that location.
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 or marking 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 or marking or cause it to be removed without notice.
It shall be unlawful for any person to wilfully deface, injure, move, obstruct or interfere with any official traffic sign, signal or marking.
The location of all bus stops, taxicab stands and service zones shall be specified by Chief of Police, and in case of taxicab stands the Chief of Police shall designate who may use them as such.
No driver of any vehicle shall disobey the instruction of any official traffic control signal, sign, marking, marker or legend, unless otherwise directed by a police officer.
A. 
Warning beacon: Middle Street (Route 47 northbound) and Bay Road (Route 47 eastbound), Permit No. B-17 dated December 28, 1967.
B. 
Traffic control signal: Route 9 at Mt. Farms Mall, Permit No. B1-783(a) dated November 7, 1972.
C. 
Yield sign: northbound and southbound exit ramp from Route 116 to North Hadley Road, Permit No. LS-2-117-2137 issued February 25, 1986.
D. 
Traffic control signal: Route 9 at Route 116/Westgate Center Drive, Permit No. AB-117-2257 dated November 20, 1992.
E. 
Traffic control signal: Route 9 (Russell Street) at Mountain Farms Mall, Permit No. AB-117-2516 dated June 24, 1999.
F. 
Traffic control signal : Route 9 (Russell Street) at Mountain Farms Mall, Permit No. AB-117-2516(A) dated December 26, 2000.