green line September 18, 2023 6:08 pm Green Line Extension's Union Square Line shutting down for bridge repairs Some riders were unprepared for the closed gates at the Union Square T stop Monday. Service is suspended as crews make repairs to the Squires Bridge. US & World Videos 2:36 Key witness takes stand in Karen Read murder trial 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