Government of New York City are designated jointly by the five county executive committees of each party. In most cases, insurgents who are party members can challenge party-designated candidates by petitioning for a primary election. The Brooklyn Public Library and Queens Public Library are public library systems within their respective boroughs. The New York Public Library is a private, non-governmental library serving the Bronx, Manhattan, and Staten Island, that receives government funding. The New York City Housing Authority (NYCHA) provides public housing for low- and moderate-income residents. NYC Health + Hospitals (New York City Health and Hospitals Corporation, or HHC) operates public hospitals and clinics.
D (New York City Subway service) D (New York City Subway service) The D Sixth Avenue Express is a rapid transit service in the B Division of the New York City Subway. Its route emblem, or "bullet", is colored since it uses the IND Sixth Avenue Line in Manhattan. The D operates at all times between 205th Street in Norwood, Bronx, and Stillwell Avenue in Coney Island, Brooklyn. Daytime service operates local in the Bronx and express in Manhattan and in Brooklyn (between Atlantic Avenue–Barclays Center and 36th Street, bypassing DeKalb Avenue). During rush hours in the peak direction, service operates express between Fordham Road in