As used in this chapter, unless the context indicates another meaning or intent: “Commission” means the governing body of the local district. “Cost” means all or any part of the cost of acquisition, construction, reconstruction, alteration, landscaping, or enlargement of a public mass transit system or highway that is located in counties that are authorized by this chapter to create a transportation improvement district, including the cost of the acquisition of land, rights-of-way, property rights, easements and interests acquired for such construction, alteration or expansion, the cost of demolishing or removing any structure on land so acquired, including the cost of acquiring any lands to which such structures may be removed, the cost of all labor, materials, machinery and equipment, financing charges, insurance, interest on all bonds prior to and during construction and, if deemed advisable by the commission, for a reasonable period after completion of such construction, reserves for principal and interest and for extensions, enlargements, additions, replacements, renovations, and improvements, provisions for working capital, the cost of surveys, engineering and architectural expenses, borings, plans and specifications and other engineering and architectural services, legal expenses, studies, estimates of costs and revenues, administrative expenses, and such other expenses as may be necessary, or incident to, the construction of the project or, solely as to districts created pursuant to this chapter after July 1, 1990, the creation of the district (the costs of which creation shall not exceed $150,000), and of such subsequent additions thereto or expansion thereof, and to determining the feasibility or practicability of such construction, the cost of financing such construction, additions, or expansion and placing the project and such additions or expansion in operation. “County” means Arlington, Fairfax, Loudoun, and Prince William Counties. “District” or “local district” means any transportation improvement district created under the provisions of § 15.2-4603. “District advisory board” or “advisory board” means the board appointed by the commission in accordance with § 15.2-4605. “Federal agency” means and includes the United States of America or any department, bureau, agency, or instrumentality thereof. “Owner” or “landowner” means the person or entity that has the usufruct, control, or occupation of the taxable real property as determined by the commissioner of the revenue of the jurisdiction in which the subject real property is located pursuant to § 58.1-3281. “Revenues” means any or all fees, tolls, taxes, rents, notes, receipts, assessments, moneys, and income derived by the local district and includes any cash contributions or payments made to the local district by the Commonwealth or any agency, department, or political subdivision thereof or by any other source. “Town” means any town having a population of more than 1,000. “Transportation improvements” means any and all real or personal property utilized in constructing and improving (i) any mass transportation project and (ii) any primary highway or portion thereof, located within any district created pursuant to § 15.2-4603. Such improvements include, without limitation, public mass transit systems, public highways, all buildings, structures, approaches, and other facilities and appurtenances thereto, rights-of-way, bridges, tunnels, transportation stations, terminals, areas for parking, and all related equipment and fixtures.