Interstate 43 (I-43) is a north-south highway located in the state of Wisconsin. It stretches approximately 143 miles, connecting the city of Milwaukee to Green Bay. I-43 serves as a vital route for both local and regional traffic, facilitating travel and commerce in the area. The highway runs parallel to Lake Michigan, providing scenic views along its route. Key cities along I-43 include Sheboygan and Kenosha, making it an important corridor for residents and visitors alike. The interstate is also part of the larger Interstate Highway System, which connects major cities across the United States.