Interstate 94 in Illinois

Interstate 94 generally runs north–south through the northeastern portion of the U.S. state of Illinois, in Lake and Cook counties. It is marked east–west in Illinois in accordance with its general alignment across the country, although some entrances on the Tri-State Tollway have north or south I-94 signs. I-94 in Illinois is 78.00mi long.The William G. Edens Expressway is the main major expressway north from the city of Chicago to Northbrook, Illinois. Only the short portion from the spur ramp to the expressway's end in Highland Park does not carry I-94. It was the first expressway in Chicago and was opened on December 20, 1951. It has three lanes in each direction. The original name of the expressway was the Edens Parkway, named after William G. Edens, a banker and early advocate for paved roads. He was a sponsor of Illinois' first highway bond issue in 1918.Route descriptionThe control cities for I-94 generally are Wisconsin or Milwaukee to the north and west, Chicago or Chicago Loop for those heading to the central portion, and Indiana to the south and east.Wisconsin to Downtown ChicagoI-94 traverses rural and suburban areas in Lake County, and serves Six Flags Great America and the Gurnee Mills mall; extensive office developments and residential districts in southern Lake County and the North Shore region of Cook County, and serves the Old Orchard Shopping Center; the length of the city of Chicago, running just west of the Chicago Loop on the Kennedy Expressway.