Arlington Advocate: Green Line petition Post published:June 11, 2008 Post category:Green Line “Next stop, Arlington?” The petition to extend the Green Line to Route 16 is getting good participation in Arlington. You Might Also Like Final Environmental Impact Report (FEIR) for Green Line published June 15, 2010 Somerville agreement with MBTA and MassDOT keeps Union Square station on track August 3, 2012 City of Somerville’s talking points on Green Line DEIR November 18, 2009