All streets or highways in said City of less than three rods in width heretofore deeded or dedicated to said City for public highways and heretofore accepted; and all such streets or highways laid out or opened by it, are hereby declared to be legal streets and highways; and all acts, votes, and resolutions of said City in respect thereto are hereby declared to be legal and valid.
24 Appendix V.S.A. § 3-236