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 Thanks for Boston MPO letters September 30, 2004 Here’s the kind of economic growth the Green Line can bring February 20, 2017 MBTA lists possible interim offset projects June 25, 2012