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 Somerville Road Runners support Community Path as part of Green Line Extension March 19, 2016 ALL ABOARD! It’s official! The Green Line is coming to Somerville! May 18, 2005 Conservation Law Foundation: Green Line must go to Route 16 May 10, 2016