U.S. Route 151 is a major highway in the United States that runs through the states of Wisconsin, Iowa, and Illinois. It stretches approximately 200 miles, connecting the city of Madison, Wisconsin to Dubuque, Iowa. The route serves as an important corridor for both local and regional traffic. The highway is known for its scenic views, particularly as it passes through rural areas and small towns. U.S. Route 151 also intersects with several other major highways, making it a key route for travelers and commercial transport in the Midwest.