Brooklyn–Battery Tunnel $58 million. Detailed plans for the tunnel were released in May 1936. The project now consisted of a $60.3 million twin-tube bore from Red Hook, Brooklyn, to the Battery, Manhattan, as well as a $2.3 million bridge over the Gowanus Canal. The city approved these plans in January 1936. One civic group wanted to plan for future traffic volumes, so it asked the city to conduct further studies of the Brooklyn-Manhattan tunnel project. The tunnel was officially renamed the "Brooklyn–Battery Tunnel" in July 1936. In November of that year, Brooklyn Borough President Raymond Ingersoll and New York City Parks commissioner
Brooklyn Bridge East River Bridge, but it was later dubbed the Brooklyn Bridge, a name coming from an earlier January 25, 1867 letter to the editor of the "Brooklyn Daily Eagle" and formally so named by the city government in 1915. Over the years, the Brooklyn Bridge has undergone several reconfigurations; it formerly carried horse-drawn vehicles and elevated railway lines, but now carries vehicular, pedestrian, and bicycle traffic. Commercial vehicles are banned from the bridge. Since opening, the Brooklyn Bridge has become an icon of New York City, ranking among the city's most popular tourist attractions. It was designated a National Historic