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 Community letters support Community Path December 13, 2011 New date for the ever-delayed Green Line Extension: 2021 December 8, 2016 Cambridge Chronicle: Commentary on Lechmere October 26, 2009