The full Green Line Extension is open! Post published:December 12, 2022 Post category:Green Line Hundreds rode the first trains, music was played, mayors (current and former) danced, speeches were given, and Somerville became an even better place to live on this fine December day! Keep reading for more photos from Karen Molloy. You Might Also Like Board funds project to reestimate and redesign Green Line Extension January 27, 2016 Community Path moving forward, but too slowly November 11, 2010 Green Line FEIR letters August 2, 2010