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 Park Heights from the waterfront. Throughout the 1950s, over 130 warehouses and 25 smaller "finger piers" were demolished along Brooklyn's waterfront. In order to accommodate larger ships and cargo, the New York Dock Company built 13 new piers between 1956 and 1964—this development includes Piers 1–3 and 5–6 of what is currently Brooklyn Bridge Park. Pier 2 was not developed until 1958. However, as trade technology advanced, so did trade routes. By the 1970 much of the Brooklyn waterfront developments were largely barren and decrepit, causing the Port Authority of New York and New Jersey to end cargo ship operations in