Somerville Patch coverage of massive Green Line delay Post published:August 1, 2011 Post category:Green Line “Green Line Extension Completion Pushed Back to 2018, 2020 at Latest” You Might Also Like Boston MPO adds Green Line to Regional Transportation Plan September 24, 2009 Green Line map updated with new station plans and 3D renderings July 15, 2013 City of Somerville’s talking points on Green Line DEIR November 18, 2009