Line 1 (Blue) (Portuguese: Linha 1–Azul) is one of the six lines that make up the São Paulo Metro and one of the thirteen lines that make up the Metropolitan Rail Transportation Network. It was the first line built for the São Paulo Metro and also the first metro line built in Brazil. It links Tucuruvi Station to Jabaquara Station. Construction began in the late 1960s and was completed in the early 1970s.