Brooklyn features extensive public transit. Nineteen New York City Subway services, including the Franklin Avenue Shuttle, traverse the borough. Approximately 92.8% of Brooklyn residents traveling to Manhattan use the subway, despite the fact that some neighborhoods like Flatlands and Marine Park are poorly served by subway service. Major stations, out of the 170 currently in Brooklyn, include: Proposed New York City Subway lines never built include a line along Nostrand or Utica Avenues to Marine Park, as well as a subway line to Spring Creek. Brooklyn was once served by an extensive network of streetcars, many of which were replaced by
Brooklyn Bridge Landmark in 1964 and a National Historic Civil Engineering Landmark in 1972. Although the Brooklyn Bridge is technically a suspension bridge, it uses a hybrid cable-stayed/suspension bridge design. The towers are built of limestone, granite, and Rosendale cement. The limestone was quarried at the Clark Quarry in Essex County, New York. The granite blocks were quarried and shaped on Vinalhaven Island, Maine, under a contract with the Bodwell Granite Company, and delivered from Maine to New York by schooner. The bridge was built with numerous passageways and compartments in its anchorages. New York City rented out the large vaults under