5.13.1. PURPOSE
   The purpose of the Urban Overlay District (UOD) is to encourage:
   A.   Comprehensively planned, pedestrian and transit-oriented, urban infill, and areas;
   B.    planning and architectural solutions consistent with the ambience of Tucson;
   C.   Safe urban neighborhoods;
   D.   Urban design features that include sustainable solutions and can accommodate both historical and contemporary design;
   E.   Transitions that are beneficial to new and existing ; and,
   F.   Responsive review processes that address flexible solutions for obsolete standards and accommodate desired urban trends.