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 Somerville Journal: Green Line moving forward September 29, 2010 A few pretty great commercials for public transportation December 10, 2017 Green Line construction two months behind schedule, still opening 2021 July 27, 2019
