1177.03  STREET AND ALLEY WIDTHS AND LOCATIONS.
   (a)   The widths and locations of major streets shall conform to the widths and locations designated on the major street plan.
   (b)   The minimum width for minor streets shall be fifty feet.  In cases where the topography or special conditions make a street of less width more suitable, the Planning Commission may waive the above requirements.  When a street adjoins unsubdivided property, a half-street at least thirty feet in width shall be dedicated, and whenever the property being subdivided adjoins a half-street, the remainder of the street shall be dedicated.
   (c)   Alleys shall not be provided in a residential block.  Alleys are required in the rear of all business lots, unless other adequate provisions are made for service and deliveries, and shall be at least twenty feet wide.
(1980 Code 152.17)