Interview with Green Line Extension project manager John Dalton Post published:March 24, 2019 Post category:Green Line Joe Lynch interviews John Dalton about bridge closures, ADA compliance, and station design. You Might Also Like Somerville Journal on Union Square & Washington St Green Line meeting February 10, 2012 DEP letter of noncompliance November 17, 2004 Construction method approved for Green Line June 4, 2012