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 Brooklyn. These include the Brooklyn-Queens Expressway, the Gowanus Expressway (which is part of the Brooklyn-Queens Expressway), the Prospect Expressway (New York State Route 27), the Belt Parkway, and the Jackie Robinson Parkway (formerly the Interborough Parkway). Planned expressways that were never built include the Bushwick Expressway, an extension of I-78 and the Cross-Brooklyn Expressway, I-878. Major thoroughfares include Atlantic Avenue, Fourth Avenue, 86th Street, Kings Highway, Bay Parkway, Ocean Parkway, Eastern Parkway, Linden Boulevard, McGuinness Boulevard, Flatbush Avenue, Pennsylvania Avenue, and Nostrand Avenue. Much of Brooklyn has only named streets, but Park Slope, Bay Ridge, Sunset Park, Bensonhurst, and Borough