As used in the Regional Transit District Act:

A. “board” means the board of directors of a district; B. “bond” means a revenue bond;

C. “combination” means two or more governmental units that exercise joint authority;

D. “commission” means the state transportation commission;

E. “construct” or “construction” means the planning, designing, engineering, acquisition, installation, construction or reconstruction of a regional transit system;

F. “district” means a regional transit district that is a political subdivision of the state created pursuant to the Regional Transit District Act;

G. “governmental unit” means the state, a county or a municipality of the state or an Indian nation, tribe or pueblo located within the boundaries of the state;

H. “regional transit system” means a property, improvement or system designed to be compatible with established state and local transportation plans that transports or conveys passengers within a region by means of a high-occupancy vehicle, including an automobile, truck, bus, van or railcar; and

I. “revenues” means tolls, fees, rates, charges, assessments, grants, contributions or other income and revenues received by the district.