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 Herald: New clean air projects, but still no Green Line January 28, 2005 Transportation Secretary defends Green Line Extension March 6, 2013 Responses to the Green Line DEIR January 13, 2010