The planning commission shall have the power to prepare and recommend to the town board of trustees for adoption a comprehensive plan for the physical development of the town. In conducting its work, the planning commission may consider and investigate any subject matter tending to the development and betterment of the town and may make recommendations as it may deem advisable concerning the adoption thereof to the town board of trustees. The planning commission may make or cause to be made surveys, studies, maps and plans in the conduct of its activities. Before final action is taken by the town board of trustees on the location or design of any public buildings, statue, memorial, park, boulevard, street, alley, playground, public grounds, bridge or change in any location of any street or alley, such question shall be submitted to the planning commission for investigation and report. In the preparation of the comprehensive plan, the planning commission may from time to time prepare and recommend to the town board of trustees for adoption a part or parts thereof, which parts shall cover one or more major geographical divisions of the town or one or more major elements of the comprehensive plan. The planning commission may from time to time recommend extending, amending or changing any portion of the comprehensive plan. (1998 Code)