randolph street is a street in chicago. it runs east–west through the chicago loop, carrying westbound traffic west from michigan avenue across the chicago river on the randolph street bridge, interchanging with the kennedy expressway (i-90/i-94), and continuing west. it serves as the northern boundary of grant park and the chicago landmark historic michigan boulevard district. several large theaters, as well as city and state government buildings are on and adjacent to randolph. metra's millennium station is located under randolph street.