The following definitions shall apply in the interpretation and enforcement of this article:
That portion of a street or highway improved, designed or ordinarily used for vehicular travel, exclusive of the berm or shoulder.
Any streets which are not marked as snow emergency routes.
Those streets marked as such in accordance with the provisions of this article.
The entire width between the boundary lines of every way publicly maintained when any part thereof is open to the use of the public for purposes of vehicular travel.