New York metropolitan area eight subregions are often further divided. For instance, Long Island can be divided into its South and North Shores (usually when speaking about Nassau County and western Suffolk County) and the East End. The Hudson Valley and Connecticut are sometimes grouped together and referred to as the Northern Suburbs, largely because of the shared usage of the Metro-North Railroad system. The geographical, cultural, and economic center of the metropolitan area is New York City, which consists of five boroughs, each of which is also a county of New York State. The five boroughs – Brooklyn, Queens, Manhattan, the Bronx, and
2 (New York City Subway service) 2 (New York City Subway service) The 2 Seventh Avenue Express is a rapid transit service in the A Division of the New York City Subway. Its route emblem, or "bullet", is colored since it uses the IRT Broadway–Seventh Avenue Line through most of Manhattan. The 2 operates at all times between 241st Street in Wakefield, Bronx and Flatbush Avenue–Brooklyn College in Flatbush, Brooklyn; limited rush hour service originates and terminates at New Lots Avenue in East New York, Brooklyn instead of Flatbush Avenue. Daytime service makes local stops in the Bronx and Brooklyn and express in Manhattan; late night