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
Third Avenue (Brooklyn) Third Avenue (Brooklyn) Third Avenue is a street in the New York City borough of Brooklyn. It runs parallel to Fourth Avenue for most of its length, and it also runs under the Gowanus Expressway from the Prospect Expressway to 65th Street. It has been mostly industrial for most of its existence, though the stretch of Third Avenue from Prospect Expressway to Downtown Brooklyn has recently undergone gentrification. The Third Avenue streetcar line formerly ran on Third Avenue from Fort Hamilton to the Brooklyn Bridge. The Fifth Avenue elevated line ran above Third Avenue in Sunset Park and Bay Ridge.