The Commission shall periodically update the Comprehensive
Plan for the development and improvement of the town. That plan shall,
among other things, show the proposed location and arrangement of
the uses of the land; transportation routes; public facilities; utility
systems; deteriorating or blighted neighborhoods planned for redevelopment,
rehabilitation or other improvement; natural resources and historic
sites to be preserved; and disaster survival proposals. The plan shall
also include recommendations for the enactment of development controls
deemed necessary to properly implement the features of the plan, such
as zoning, subdivision control, official street map, minimum housing
standards, pollution control, etc. No portion of the Comprehensive
Plan or amendment thereto shall be adopted without a public hearing.