In the preparation of such plan, the planning commission may make careful and comprehensive surveys and studies of present conditions and future growth of the town with due regard to its relation to neighboring territory. The plan shall be made with the general purpose of guiding and accomplishing a coordinated, adjusted and harmonious development of the town and its environs which will, in accordance with present and future needs, best promote health, safety, morals, order, convenience, prosperity and general welfare, as well as efficiency and economy in the process of development; including, among other things, adequate provisions for traffic, the promotion of safety from fire and other dangers, adequate provision for light and air, the promotion of healthful and convenient distribution of population, the promotion of good civic design and arrangement, and wise and efficient expenditure of public funds. (1998 Code)