PBS special covers the Big Dig – and Green Line extensions Post published:October 27, 2008 Post category:Green Line Quoted in the segment is Ellin Reisner, president of STEP. Read more and watch the video. You Might Also Like MGNA urges Medford City Council to get involved in Green Line August 14, 2008 More negative reactions to Green Line support facility May 28, 2008 Latest Green Line station designs June 27, 2015