Green Line bridge construction underway Post published:May 6, 2013 Post category:Green Line Phase I work is underway, including utility work and excavation support work northeast of Harvard Street Bridge in Medford. You Might Also Like Press coverage of mock groundbreaking October 22, 2011 Public comments on Green Line environmental review by Nov 24 November 18, 2006 Boston Globe: Green Line delay March 20, 2005