(b) Before any new street offered for dedication to the town is accepted as such and officially recognized as a town-maintained street, the council must give its approval, finding that the street complies with engineering standards set by the council, provided that any street constructed prior to April 9, 2002, shall have a minimum width along its entire course of not less than l6 feet, and that the best interests of the town would be served by accepting the street as a town street.