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 Borough Hall which was placed a flag. In 1898, the city of Brooklyn was consolidated into the five boroughs of New York City, and this building ceased being "City Hall" and became "Borough Hall". In 1902, the Common Council room was demolished to build a new courtroom, designed in the Beaux-Arts style by Brooklyn architect Axel Hedman. In the 1930s, proposals began to circulate about knocking down Borough Hall, based on the arguments that it no longer performed any government function, that its architecture wasn't particularly notable, and that it was a monument to an extremely brief era in Brooklyn's history. While