Daegu Metro Line 1 was, until mid-2005, the only rapid transit line in the South Korean city of Daegu. It is operated by the Daegu Metropolitan Transit Corporation. Line color is ●maroon.The line first began running from Jincheon to Jungangno on November 26, 1997. The section from Jungnangno to Ansim was opened shortly thereafter, on May 2, 1998. The west end of the line was extended from Jincheon to Daegok, reaching its current length on May 10, 2002.