Section 14. Rules and regulations for state highways

The commissioner of
  transportation is hereby empowered to make rules  and  regulations  from
  time to time for the protection of any state highway or section thereof.
  He  may  prohibit  the  use of chains or armored tires by motor vehicles
  upon  such  highways,  and  any  violation  of  this  section  shall  be
  punishable  as a traffic infraction. Any person convicted of a violation
  of this section shall for a first conviction thereof be  punished  by  a
  fine of not more than fifty dollars or by imprisonment for not more than
  fifteen  days  or  by both such fine and imprisonment; for a second such
  conviction within  eighteen  months  thereafter  such  person  shall  be
  punished  by  a  fine  of  not  more  than  one  hundred  dollars  or by
  imprisonment for not more than forty-five days or by both such fine  and
  imprisonment;  upon  a  third  or  subsequent conviction within eighteen
  months after the first conviction such person shall  be  punished  by  a
  fine  of  not more than two hundred fifty dollars or by imprisonment for
  not more than ninety days or by both such fine and imprisonment.