No fence, wall shrubbery, sign or other obstruction to vision above a height of 30 inches from the established street grades shall be permitted within the triangular area formed at the intersection of any street right-of-way lines by a straight line drawn between the right-of-way lines at a distance along each line of 25 feet from their point of intersection.
(`73 Code, 15.326, § 5.123) (Ord. eff. 8-1-67; Am. Ord. passed 1973)