 New to the 6000-series cars is the addition of two interior LED next stop indicators located at the center of the car, which brings the total to four interior displays per car (two facing each direction).Also new is an intercom located next to the center doors; previous rail cars only have them at the front and back of each car.Another new feature is that they are the first series of cars manufactured with the flashing brake indicators on the far ends of each car.