 Here, a two track non-revenue branch diverges that descends to the expressway to provide a non-revenue track connection to the Blue Line.It continues on the Paulina Connector to share tracks with the Green Line on Lake Street with stops at Ashland, Morgan and Clinton, before operating around the Loop clockwise.The Pink Line operates between 54th/Cermak and the Loop weekdays from 4 a.m. to 2 a.m., and weekends from 5 a.m. to 2 a.m.