The Kaluzhsko–Rizhskaya Line (Russian: Калу́жско-Ри́жская ли́ния, IPA: [kɐˈluʂskə ˈrʲiʂskəjə ˈlʲinʲɪjə]) is a line of the Moscow Metro, that originally existed as two separate radial lines, Rizhskaya and Kaluzhskaya opened in 1958 and 1962, respectively.