The continued speed restrictions are causing partial delays of up to 20 minutes on the Red Line, up to 10 minutes on the Blue Line, and up to 15 minutes on the.
Work will begin on Monday night to demolish a staircase at the Milton MBTA station, impacting service along the Mattapan Line for several nights this week..
Meanwhile, on the Red Line, shuttle buses were replacing service between Harvard and Broadway due to a disabled piece of maintenance equipment, the MBTA said.