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 Bridge series, historical walking tours, information tents, a series of lectures and readings, a bicycle tour of Brooklyn, a miniature golf course featuring Brooklyn icons, and other musical and dance performances. Just before the anniversary celebrations, artist Paul St George installed the Telectroscope, a video link between New York City and London, on the Brooklyn side of the bridge. The installation lasted for a few weeks and permitted viewers in New York City to see people looking into a matching telectroscope near London's Tower Bridge. A newly renovated pedestrian connection to the DUMBO neighborhood was also unveiled before the anniversary celebrations.