R.I. Gen. Laws § 45-23.1-1.1: Establishment or opening of streets not implied.

(a) The placing of any street or street line upon the official map does not in and of itself constitute nor is it deemed to constitute the opening or establishment of any street or the taking or acceptance of any land for street purposes; provided, that in the town of North Kingstown, regularly performed maintenance by the town, upon any paved mapped street of at least forty feet (40′) in width, for a period of not less than twenty (20) years, constitutes the opening or establishment of a street as a public way.

(b) For the purposes of this section the term “regularly performed maintenance” is construed to include snow plowing and salting and sanding operations, and any type of repair work regularly undertaken by the city or town.