On any corner lot in any zoning district requiring front and side yard, no fence, wall, hedge, screen, sign, structure, vegetation, or planting shall be allowed to impede vision between a height of three feet and eight feet above the centerline grade within the triangular area formed by the intersection street right-of-way lines and a straight line joining the two street lines at points which are 30 feet distance from the point of intersection, measured along the street right-of-way line.
(Ord. 5, passed 1-18-1973)