Airline, The
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is an east-west transportation route from Bangor to Calais, currently a portion of state highway Route 9. Crossing Penobscot, Hancock, and Washington counties, it was planned as a military road in 1838-1839 during the Aroostook War, but remained unfinished 20 years after the “War” was settled. The Airline passes through mostly small communities, West to…