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 The Community Path Extension opened today! June 10, 2023 Somerville Journal: Bill Wood’s negative influence January 15, 2008 Important Green Line public meeting Monday! March 11, 2005