The TransAmerica Bicycle Trail is a long-distance cycling route that spans approximately 4,200 miles across the United States. It was established in 1976 as part of the Bikecentennial project, designed to celebrate the nation's bicentennial. The trail begins in Astoria, Oregon and ends in Yorktown, Virginia, passing through diverse landscapes, including mountains, plains, and forests. This trail is popular among touring cyclists and offers a mix of scenic views and cultural experiences. It is well-marked and includes various resources for cyclists, such as maps and guides, making it accessible for riders of different skill levels.