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 Another perspective on why the Green Line procurement method was a mistake September 27, 2015 Mayor Curtatone says come to the Green Line meeting on Wednesday April 10, 2016 Streetcars making a comeback August 26, 2007