Any urban renewal project undertaken pursuant to § 8-141 shall be undertaken in accordance with an urban renewal plan for the area of the project. As used in this part, an urban renewal plan means a plan, as it exists from time to time, for an urban renewal project, which plan (1) shall conform to the general plan for the municipality as a whole; and (2) shall be sufficiently complete to indicate such land acquisition, demolition and removal of structures, redevelopment, improvements and rehabilitation as may be proposed to be carried out in the area of the urban renewal project, zoning and planning changes, if any, land uses, maximum densities, building requirements and the plan’s relationship to definite local objectives respecting appropriate land uses, improved traffic, public transportation, public utilities, recreational and community facilities and other public improvements. An urban renewal plan shall be prepared and approved pursuant to the same procedure as provided in this chapter with respect to a redevelopment plan.