Somerville Journal: Green Line environmental planning hearing Post published:October 12, 2006 Post category:Green Line “Discuss extended Green Line’s impact” You Might Also Like New date for the ever-delayed Green Line Extension: 2021 December 8, 2016 Research on bridge clearances for Green Line extensions November 22, 2007 Green Line preliminary engineering and design contract: $24.5 million August 1, 2010