Any road designated as an arterial (excluding Highway 55) on the transportation network plan in the Donnelly comprehensive plan:
A minimum 35 foot wide buffer area (not including right-of-way) shall be provided with the following plants per 100 linear feet of right-of-way: three shade trees, four evergreen trees, one flowering/ornamental tree, and 12 shrubs. Each required shade tree may be substituted with two flowering/ornamental trees, provided that not more than 50% of the shade trees are substituted.
A minimum five foot high, maximum eight foot, berm, decorative block wall, cultured stone, decorative rock, or similarly designed concrete wall, or combination thereof, shall be provided within the buffer area. The maximum slope for any berm shall be three feet horizontal distance to one foot vertical distance. If a decorative block wall, cultured stone, decorative rock, or similarly designed concrete wall is to be provided, in combination with the berm, a four-foot-wide flat area shall be provided for the placement of the decorative wall. Chainlink, cedar, and similar high maintenance and/or unsightly fencing shall not be permitted.