Hawaii Revised Statutes Division 1. Government § 206E-243

(a) The transit-oriented development infrastructure improvement district is hereby established under the authority.

(b) The district shall comprise the parcels of land within county-designated transit-oriented development zones, or within a one-half mile radius of a proposed or existing transit station if the county has not designated transit-oriented development zones, as determined by the board, which shall take into account proximity, walkability, adopted county plans, and other relevant factors; provided that in a county with a population in excess of five hundred thousand, a transit-oriented development zone shall include a rail station or a planned rail station. The district shall include all parcels of land of which any portion of the parcels are located within the county-designated transit-oriented development zones, or within a one-half mile radius around proposed or existing transit stations if the county has not designated transit-oriented development zones.