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 More on maintenance facility meeting December 23, 2009 Lechmere closes in May for Green Line construction December 23, 2019 $45 million contract awarded for Green Line Extension design September 13, 2012
