The M subway line is a service in the New York City Subway system that runs between Middle Village in Queens and Manhattan. It primarily operates through the Queens Boulevard and Manhattan sections, providing connections to several other subway lines and key neighborhoods. The R subway line also operates in the New York City Subway, running from Forest Hills in Queens to Bay Ridge in Brooklyn. This line serves various neighborhoods and connects with multiple subway and bus routes, making it an essential part of the city's public transportation network.