Vision Clearance at Corner

315. Vision Clearance at Corners In any triangle formed by two street lines and a third line joining the points on the street lines fifteen (15) feet from the point of intersection, no building or structures may be erected, no parking areas may be created and no vegetation or fencing may be maintained between the height of three (3) feet and ten (10) feet above the plane of the curb grades. Notwithstanding the provisions of this section, poles not exceeding eight (8) inches in outside diameter designed for the support of lights and signs, may be erected in this triangle. Trees with trunks not exceeding eight (8) inches in outside diameter with all foliage maintained at a height of at least ten (10) feet above the curb grade may be allowed in this triangle.