U.S. Highway 81, also known as the "Meridian Highway," is a major north-south route in the United States. It stretches approximately 1,500 miles from Canada to Texas, connecting several states including North Dakota, South Dakota, Nebraska, and Oklahoma. The highway serves as an important corridor for transportation and commerce. Originally established in 1926, U.S. Highway 81 has undergone various improvements and realignments over the years. It passes through numerous cities and towns, providing access to local attractions and services. The highway is a vital link for travelers and freight movement across the central United States.