(a) Block lengths shall not exceed 1,400 feet nor be less than 500 feet.
(b) In blocks longer than 900 feet, easements shall be provided for pedestrian walks, in order to give substantially more direct access to a school, playground, public transportation, shopping center, church or other community facilities. Such easements shall be located in or near the center of the block or as extensions of sidewalks or walks in adjacent blocks. Crosswalk easements when provided shall be at least 10 feet wide and shall be dedicated as public right-of- way areas for sidewalk purposes.
(c) Blocks that abut an arterial or collector street shall be designed to:
(i) Align blocks with their greater dimension parallel to and adjoining the arterial or collector street, and
(ii) Provide property access or service streets parallel to and adjoining the arterial or collector street, or
(iii) Abut the arterial or collector street with lot lines across which vehicular access is prohibited by plat restriction.
(d) Irregular shaped blocks, indented by cul-de-sacs, containing interior public spaces, shall be acceptable when adequately designed and fitted to the overall plan and when adequate provision for the maintenance of public areas is provided.