Politics of New York City the city's main post office. The post office stopped 24-hour service beginning on May 9, 2009 due to decreasing mail traffic. Brooklyn, The Bronx, and Staten Island each have central and/or main post offices. Queens has three, each serving one of the former townships of Queens County. New York City also has federal buildings in downtown Manhattan that house buildings for the United States Attorney and the FBI. New York's military installations include the United States Army post of Fort Hamilton located in the Bay Ridge section of Brooklyn under the shadow of the Verrazano-Narrows Bridge. The bridge spans the
Staten Island the five boroughs of the expanded city. Although consolidated into the City of Greater New York in 1898, the county sheriff of Staten Island maintained control of the jail system, unlike the other boroughs who had gradually transferred control of the jails to the Department of Correction. The jail system was not transferred until January 1, 1942. Today, Staten Island is the only borough without a New York City Department of Correction major detention center. The construction of the Verrazzano-Narrows Bridge, along with the other three major Staten Island bridges, created a new way for commuters and tourists to travel