Blue Line - MARTA - was created in 1979.
Gold Line - MARTA - was created in 1981.
Blue Line - MBTA - was created in 1924.
MAX Blue Line was created in 1986.
Blue Line - airline - was created in 2002.
Blue Star Line was created in 1911.
Blue Line International was created in 2003.
Blue Line - Washington Metro - was created in 1977.
Blue Line - Taipei Metro - was created in 1999.
Behind the Blue Line was created on 2009-11-20.
California - CTA Blue Line station - was created in 1895.
Blue Line - Los Angeles Metro - was created in 1990.
Chicago - CTA Blue Line station - was created in 1951.