Metro de Madrid

Map of the network, 1919

Map of the network, 1925

Map of the network, 1932

Map of the network, 1936

Map of the network, 1951

Map of the network, 1964

Map of the network, 1975

Map of the network, 1983

Map of the network, 1994

Map of the network, 1999

Map of the network, 2003

Map of the network, 2007