U.S. Route 41 in Illinois

U.S. Route 41 (US 41) in the U.S. state of Illinois runs north from the Indiana border beneath the Chicago Skyway on Indianapolis Boulevard to the Wisconsin border north of the northern terminus of the Tri-State Tollway with Interstate 94. It is the only north–south U.S. Route to travel through a significant portion of the city of Chicago, carrying Lake Shore Drive through the central portion of the city along the lakefront. US 41 in Illinois is 64.81mi in length.Route descriptionUS 41 enters Illinois running concurrently with US 12 and US 20 on the far southeast side of Chicago. They run together until the junction of 95th Street and Ewing Avenue. US 41, then continues down Ewing Avenue for 1/2mi before heading northwest–southeast along the extension of Lake Shore Drive. Lake Shore Drive continues until US 41 meets South Shore Drive and 79th Street. This is the western terminus of the Lake Shore Drive extension and US 41 continues through the South Shore neighborhood's section of South Shore Drive before reaching the southern terminus of Lake Shore Drive.The Lake Shore Drive section of US 41 is a six- to eight-lane highway along the shores of Lake Michigan through Chicago's lakefront park system. It is a limited-access highway except for five signalized intersections near downtown Chicago.