R.I. Gen. Laws § 46-23-7.4
Penalty for blocking or posting of rights-of-way.
Any person who shall post or block any tidal water, public right-of-way, as designated by the council, shall be punished by a fine not exceeding one thousand dollars ($1,000) or by imprisonment for not more than three (3) months or both; and each day the posting or blocking continues or is repeated shall be deemed a separate offense. The chairperson of the council, through council€™s legal counsel or the attorney general, may apply to any court of competent jurisdiction for an injunction to prevent the unlawful posting or blocking of any tidal water, public right-of-way.