1. The street layout of the subdivision shall be in general conformity with a plan for the most advantageous development of adjoining and nearby areas.
A. Where appropriate to the design, proposed streets shall be continuous and in alignment with existing, planned or platted streets with which they are to connect.
B. Proposed streets shall be extended to the boundary lines of the tract to be subdivided, unless prevented by topography or other physical condition, in order to ensure the orderly future development of adjacent tracts. If, in the opinion of the Commission, such street extension is not necessary or desirable for the circumstances of the development in question, this requirement may be waived. Cul-de-sacs of reasonable length will be approved where topography necessitates, or where they are appropriate for the type of development envisioned, and where adequate fire protection can be assured.
C. Proposed streets shall intersect one another as nearly at right angles as topography and other limiting factors of good design permit.
D. When an existing street and/or alley terminates in mid-block, the subdivision of the adjoining land shall include the platted extension of that street and/or alley, up to the subsequent intersecting street.
E. Alleys shall be platted:
(1) In the rear of all commercial business lots.
(2) In the rear of residential lots fronting on arterial streets (unless service roads are provided in front), as a means of providing safe access to such lots.
2. Blocks shall have sufficient width to provide for two tiers of lots of appropriate depth, at least 100 feet, unless, in the opinion of the Commission, prevented by exceptional topography or other physical conditions.
A. The lengths of blocks shall be such as are appropriate, in the opinion of the Commission, for the locality and the type of development contemplated, but shall not exceed 1,200 feet.
B. In any block over 700 feet in length, the Commission may require that a crosswalk or pedestrian way, no less than 10 feet wide, be provided near the center and entirely across such block.
C. Cul-de-sacs shall not exceed 500 feet in length, measured along the centerline from the intersection at origin through the end of the circle to the end of the right-of-way in subdivisions protected by a fire hydrant system.
In areas outside the City limits and within the extraterritorial planning jurisdiction, cul-de-sac dimensions shall be reasonable with regard to access for utilities, fire control and maintenance.
3. In areas within the extraterritorial planning jurisdiction, blocks laid out in random manner shall conform to regulations specified for the R-1 Rural Estate Residence District (Section 165.07).
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