Green Line concepts from Boston Architectural College students Post published:March 22, 2009 Post category:Green Line Students and area residents gathered at SCAT on February 14 to look at Green Line design ideas and discuss the future of Union Square. You Might Also Like Aldermen growing impatient on Green Line news October 29, 2008 3D models of Green Line station areas May 29, 2010 Green Line Environmental Assessment released October 4, 2011