The Kalininskaya Line is a line of the Moscow Metro that connects the northern and southern parts of the city. It was opened in 1979 and is known for its distinctive blue color on metro maps. The line has 12 stations, stretching approximately 20 kilometers, and serves as a vital transportation route for commuters. The Kalininskaya Line intersects with several other metro lines, enhancing connectivity within the network. Notable stations include Krasnopresnenskaya and Kuntsevskaya, which provide access to various neighborhoods and important landmarks in Moscow. The line is named after the Soviet leader Mikhail Kalinin.