cable car transit system in La Paz, Bolivia Line 2 (São Paulo Metro), São Paulo, Brazil Road transportation Green Belt (Pittsburgh), Pittsburgh, Pennsylvania Other uses An underground sanitary sewer in the American Public Works Association utility location color code Art on a Green Line, the name of a 2015 art exhibition at Carleton University, Ottawa, Canada Green Line Rivalry, an athletic rivalry between Boston College and Boston University Green Stripe, a 1905 drawing by Henri Matisse Operation Greenline See also Yellow Green Line (disambiguation) Light Green Line (disambiguation) Teal Line (disambiguation) Yellow Line (disambiguation)