Lake Shore Drive is an expressway that runs alongside the shoreline of Lake Michigan, and adjacent to parkland and beaches, in Chicago. Except for the portion north of Foster Avenue, Lake Shore Drive is designated as part of U.S. Highway 41. A portion of the expressway on the Outer Drive Bridge and its bridge approaches is multilevel.

Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388 in the 2020 census, it is the third-most populous city in the United States after New York City and Los Angeles. As the seat of Cook County, the second-most populous county in the U.S., Chicago is the center of the Chicago metropolitan area, often colloquially called "Chicagoland" and home to 9.6 million residents.