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 Boston Globe: Green Line delay March 20, 2005 Transportation bond bill approved by legislature March 29, 2007 State publishes its preferred Green Line extension map February 28, 2009
