In this chapter:
I. "CART" means the greater Derry-Salem cooperative alliance for regional transportation.
II. "CART region" means the 11 town region including the municipalities of Derry, Salem, Londonderry, Pelham, Windham, Chester, Plaistow, Sandown, Danville, Hampstead, and Atkinson. Passage of this legislation does not obligate these towns to participate in CART.
III. "Directors" means the CART board of directors.
IV. "Public transportation" means all real and personal property, of whatever nature, and rights used or useful for the transportation of passengers for hire.