No tree or shrub of any kind may be planted on or adjacent to any county road in such a manner that when reaching full development the outermost limbs of such tree or shrub shall overhang the right-of-way in excess of three feet except trees and shrubs planted by, or with permission of, the Road Department for landscaping or erosion control.
(1966 Code, § 14-5) (Ord. 184, § 7)