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 Video of the Green Line opening ceremony December 15, 2022 Somerville News: Washington St station design June 29, 2011 State commits $393 million for first three Green Line stations September 26, 2013
