(a) Residential Subdivisions.
(1) Residential blocks shall have sufficient width to provide two (2) tiers of lots. Exceptions to this may be made in blocks adjacent to railroads, waterways or where reverse frontage lots bordering an arterial street are used.
(2) Blocks shall have a minimum length of five hundred (500) feet and have a maximum length of one thousand (1,000) feet. Wherever feasible, blocks along collector and arterial streets shall be not less than one thousand (1,000) feet in length.
(b) Commercial and Industrial Subdivisions. The block layout shall conform, as appropriate, with due consideration of site conditions, to the best possible layout to serve the public; to permit good traffic circulation and the parking of vehicles; to make delivery and pick-up efficient; and to facilitate the best design of the units in the proposed subdivision. The block layout in these areas shall further be governed by the most efficient arrangement of space for the proposed present use and future expansion.