Every person who is the owner, or is the agent having the care of any premises situated within the city and abutting any public street or highway, is required, and it is made his duty, to trim and keep trimmed all trees growing on the premises and in front thereof, where branches of trees overhang any portion of such street or highway, or are overhanging any part of the pavement or sidewalk. Such trees shall be trimmed and kept trimmed so that the lowest branches thereof shall be at least eight feet (8') above the level of the pavement, sidewalk or street so overhung by such branches. Any trees or limbs that obstruct a traffic regulatory sign must be trimmed or removed immediately. (1984 Code § 12.16.040; amd. 2015 Code)