U.S. Route 6, also known as the "Grand Army of the Republic Highway," is one of the longest highways in the United States. Stretching approximately 3,200 miles, it runs from Provincetown, Massachusetts, to Bishop, California. The route passes through various states, including New York, Pennsylvania, and Colorado, showcasing diverse landscapes and communities. Originally established in 1926, U.S. Route 6 has played a significant role in American transportation history. It connects numerous towns and cities, serving as a vital corridor for commerce and travel. Over the years, parts of the highway have been replaced by interstate highways, but it remains an important route for local traffic and tourism.