No fence, wall, shrubbery, earthen berm, sign, billboard, or other obstruction to vision shall be permitted which serves to obstruct vision between a height of 30 inches and ten feet on any corner lot within a triangle of 30 feet formed by intersecting street right-of-way lines or, in the case of interior lots, within a triangle of 20 feet formed by intersecting driveway edge and street right-of-way lines.
As an alternative to the 30-foot and 20-foot visibility triangles defined in the paragraph above, an unobstructed area between a height of 30 inches and ten feet at intersections formed by intersecting street right-of-way lines or driveway edge and street right-of-way lines may comply with the sight distance specifications established by Iowa SUDAS (State Urban Design Standards Manual) in Chapter 5, Roadway Design, Urban Geometric Design Criteria if approved by the City.
Reserved