Video of the Green Line opening ceremony Post published:December 15, 2022 Post category:Green Line If you missed Monday’s festivities, you can watch above. Below are clips from Ball Square the same morning. You Might Also Like Green Line bridge construction could begin this year January 28, 2012 Boston Globe: City determined to get Green Line by 2014 August 19, 2007 Green Line Annual Status Report covers Phase 1 construction August 1, 2012