In this subtitle the following words have the meanings indicated. “County” does not include Baltimore City. “Debt service” means the amount annually needed to pay the maturing principal of and interest on bonds, notes, and other evidences of obligation and to meet sinking fund requirements for these purposes. “Eligible municipality” means a municipality authorized by law to construct or maintain streets or roads. “Highway user revenues” means the capital grants appropriated to Baltimore City, counties, and municipalities under § 8–403(b) of this subtitle. “Municipality” means any municipal corporation, special taxing district, or other political subdivision of this State other than a county or Baltimore City.