§ 96.21  VISIBILITY AT CORNERS.
   (A)   For the purpose of this section, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
      FENCE.  A constructed barrier enclosing or bordering a field, yard, building and the like.
      HEDGE.  An ornamental hedge, line of trees, line of plants and the like.
      VISIBILITY TRIANGLE.  The triangle having as vertices the following 3 points: point of intersection of the center lines of 2 intersecting streets and the point of each street located on the center line of the street distant from the intersection of the center lines the sum of 75 feet.
   (B)   Requirements for visibility at corners shall be as follows:
      (1)   To prevent obstruction of sight-lines, except within 5 feet of a building and except for wire or chain-link type fences which are more than 95% open, no fence or hedge may be taller than 3 feet measured from the crown of the pavement within the visibility triangle.
      (2)   To prevent obstruction of sight-lines, trees within a visibility triangle shall be trimmed so that the lower foliage line is maintained at least 6 feet above the crown of the adjoining pavement, except that trees need not be trimmed more than  of their height.
      (3)   Height limitations of this section for fences shall govern over any screening height requirements of Chapter 155.
      (4)   Notwithstanding the above provisions, the Public Works Committee may require the modification or removal of any fence, hedge, shrub, tree or other similar item of landscape upon a finding that the object constitutes an eminent danger to the health or safety of the public.  In reaching their decision, the Committee shall consider traffic visibility, traffic density, street widths and alternate ways of alleviating the danger.
(1992 Code, § 96.20)  Penalty, see § 10.99