It is unlawful to plant, place or cause to grow any tree or shrub on any roadway or street right-of-way or in any area between a sidewalk and a curb of such street or roadway. The chief of police may order the removal of any such tree or shrub already growing in that area upon his determination that such tree or shrub is hazardous to traffic. (Ord. O-10-93 § 4 (part), 1993; prior code § 3-1-36)