And now . . . the Green Line Extension. For real, this time, the T

More than three decades after the state first promised to extend the Green Line as environmental mitigation for the Big Dig, test trains are running and the opening of the project’s first branch is planned for next month.

Somerville, Medford face gentrification as Green Line expands

Green Line Extension suspension postponed until September 2023 due to Sumner Tunnel closure - CBS Boston

Long-Awaited MBTA Green Line Extension Stays on Track, 2021-04-20

Lessons to be learned from Green Line Ext. - CommonWealth Beacon

Long Awaited Green Line Extension Opens Today North of Boston

Green Line Extension: Opening of the first branch has been delayed again

Green Line extension could cost another $1 billion - The Boston Globe

Green Line Boston: Medford Extension Opens Monday – NBC Boston

Halfway into November, still no firm opening date for Green Line's Medford extension - The Boston Globe

Green Line Extension: Opening of the first branch has been delayed again

Green Line Extension - Wikipedia

The new MBTA Green Line Extension from Lechmere to Somerville and Medford/Tufts is now open

Green Line Extension to Medford Will Open Dec. 12, MBTA GM Says

A new green era': Green Line Extension's Medford branch opens to fanfare