Green Line Extension December 11, 2022 6:10 am Green Line Extension Ready to Open on Monday The Green Line extension will bring passengers 5 stops further than ever before starting Monday. US & World Videos 0:20 President Biden to visit Boston, NH Tuesday 2:14 Karen Read trial: Jennifer McCabe returns to the stand Tuesday 0:51 Haitian cultural center breaks ground in Boston 2:05 Gas leak forces evacuations in Lynn 2:06 Man allegedly attacks neighbor with knife in Worcester