Somerville celebrates the Green Line! Post published:December 18, 2022 Post category:Green Line Somerville High School was full of joy and gratitude yesterday as the community celebrated the opening of the full Green Line Extension! You Might Also Like Boston Globe editorial in support of the Green Line Extension May 11, 2016 Boston Globe op-ed on Green Line delay August 6, 2011 Medford shows strong support for Green Line May 14, 2008