In order to perform electric work for Ameren Illinois, PAR Electric will be closing one northbound lane of Randolph Street between Church Street and Hill Street. The lane closure will occur between the hours of 7:00 a.m. and 6:00 p.m. on Monday, May 16 through Thursday, May 19. Northbound traffic will be reduced to one lane in the area. The closed lane will be reopened overnight.