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 Union Square Green Line station: the conversation begins! January 11, 2008 Press coverage of Green Line stops May 7, 2008 “Skeletal” Green Line design ideas prompt criticism May 3, 2016