Because of the termination of all railroad passenger service in the state and because of a shrinkage in railroad operations generally, Maine relies increasingly on its roads. Buses and automobiles carry a large share of the state’s passengers, and trucks transport much of the freight. Maine’s road network is dense in the relatively heavily settled southwestern part of the state and is sparse in the north. The sparsely populated region of northwestern Maine is served almost exclusively by private roads owned and maintained by large forest owners. Use of these roads is by fee. The two most important trunk lines are the American Realty, which runs between Ashland and Daaquam, Québec, and the Golden Road, between Millinocket and Saint Zacharie, Québec. In addition, miles of other passable private gravel roads give high accessibility to north Maine woods. Auto ferries offer service between Bar Harbor and Yarmouth, Nova Scotia; between Portland and Yarmouth; and to many of the offshore islands.
In 2007 Maine was served by 36,680 km (22,792 mi) of highway, of which 591 km (367 mi) was part of the federal interstate highway system. The principal route in the state is Interstate 95, which links most of the state’s main cities.
Railroad tracks totaled 1,848 km (1,148 mi) in length in 2004. Only regional and local railroads served the state. Some 60 percent of the tonnage of goods originating in Maine was pulp and paper, while wood products and lumber accounted for another 23 percent. There is regular airline service from Maine’s largest cities to Boston, Massachusetts, and New York City, and there are direct connections between Portland and Bangor to many national locations. In 2009 the state had 6 airports, many of which were private airfields. The busiest airport was in Portland. Waterborne commerce no longer plays a vital role in Maine’s economy. However, Portland, Maine’s leading port, handles a considerable volume of trade and ranks second to Boston among New England ports. "Maine" © Emmanuel BUCHOT, Encarta, Wikipedia
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