(A) Mandatory.
(1) Street trees are required for residentially zoned property along collector and arterial level roadways, as specified in the applicable form district. Street trees shall be provided in the public right-of-way, with permission of the agency having jurisdiction over the right-of-way. If the Public Works Department or state’s Transportation Cabinet refuses to allow plantings in the right-of way, street trees shall be provided adjacent to the right-of-way, in a minimum six foot wide planting area. All street trees shall conform to the minimum requirements of the Streetscape Master Plan Manual. If a streetscape master plan has been approved for a specific street, all street trees shall be planted in accordance with the approved master plan. Street trees shall be regularly spaced and planted at a ratio of no less than one large (Type A) tree per 50 lineal feet of right-of-way or one medium (Type B) tree per 40 lineal feet or one small (Type C) tree per 30 lineal feet. Small trees are permitted only where utility lines or other site constraints will not allow installation of large or medium trees.
(2) Note: See § 155.178 for listing of Type A, B, and C trees.
(B) Voluntary. Street trees may be provided adjacent to non-residentially zoned property, as well as residential sites abutting local streets or private access easements providing the principal means of access.
(C) Tree canopy bonus. Street tree plantings shall qualify for a 25% bonus in calculating compliance with tree canopy requirements; refer to § 155.124(D).
(LDC § 10.2.8)