Green Line test trains are running! Post published:December 4, 2021 Post category:Green Line Here’s a test run into the new Union Square station. The Green Line is coming soon! You Might Also Like More voices supporting the Green Line March 6, 2016 Boston Globe: Lechmere station relocating in 2017 December 15, 2011 Somerville Journal: Green Line demanded at State House December 16, 2004