Details on Green Line retaining walls and noise barriers Post published:May 30, 2012 Post category:Green Line MassDOT has posted its presentation on retaining walls and noise barriers, from the May 22 public hearing. You Might Also Like Press coverage of Green Line hearing September 12, 2007 Medford Mayor stands up for Green Line at public meeting March 31, 2016 Green Line preliminary engineering and design contract: $24.5 million August 1, 2010
