Somerville with the Green Line! Post published:December 13, 2022 Post category:Green Line Here is how Arlington author and illustrator A.J.B. Lane commemorated the Green Line Extension opening in the Ideas section of the Boston Sunday Globe. You Might Also Like Press coverage: Green Line extension likely! May 12, 2005 Notes from Green Line Advisory Group meeting December 2, 2008 Green Line environmental planning process initiated October 4, 2006