Public transportation in Maine
Public transportation in Maine is available for all four main modes of transport—air, bus, ferry and rail—assisting residents and visitors to travel around much of Maine's 31,000 square miles (80,000 km2). The Maine Department of Transportation (MDOT) has broken down the state's sixteen counties into eight regions: Aroostook County (including parts of Washington County and Patten in Penobscot County) Penobscot County (excluding Patten) and Piscataquis County Kennebec County and Somerset County Hancock County (including Isle au Haut in Knox County and Washington County, excluding Danforth) Androscoggin County, Franklin County and Oxford County (excluding Brownfield, Denmark, Fryeburg, Hiram, Lovell, Porter, Stoneham, Stow and Sweden) Knox County (excluding Isle au Haut), Lincoln County, Sagadahoc County and Waldo County (plus Brunswick and Harpswell in Cumberland County) Cumberland County (excluding Brunswick and Harpswell) York County (and Brownfield, Denmark, Fryeburg, Hiram, Lovell, Porter, Stoneham, Stow and Sweden in Oxford County) Each of the eight regions has one designated regional transportation provider for local residents to travel at no (or a low) cost.
Source: Wikipedia — Public transportation in Maine (CC BY-SA 4.0)