Brooklyn–Battery Tunnel Manhattan and Staten Island, and the X27, X28, X37, and X38 between Manhattan and Brooklyn. A vehicular tunnel under the East River between Manhattan and Brooklyn was proposed by the New York Board of Trade and Transportation in 1925, in response to growing truck traffic congestion in Lower Manhattan. The tunnel would have been located between the Manhattan Bridge and the Brooklyn Bridge. A tunnel that specifically connected the Battery in Manhattan with Red Hook in Brooklyn, passing underneath the East River and Governors Island south of both the Manhattan and Brooklyn Bridges, was first proposed by Brooklyn Borough president
Brooklyn–Queens Greenway Brooklyn–Queens Greenway The Brooklyn–Queens Greenway is a bicycling and pedestrian path connecting parks and roads in the New York City boroughs of Brooklyn and Queens, connecting Coney Island in the south to Fort Totten in the north, on Long Island Sound. The route connects major sites in the two boroughs, such as the New York Aquarium, Brooklyn Museum, the Brooklyn Botanic Garden, the New York Hall of Science and Citi Field. The Greenway is being developed under the joint auspices of the New York City Department of Transportation and the New York City Department of Parks and Recreation. As of