U.S. Route 30 is a major east-west highway in the United States, stretching approximately 3,073 miles from Astoria, Oregon to Atlantic City, New Jersey. It is one of the oldest highways in the U.S. and was part of the original U.S. Highway System established in 1926. The route passes through various states, including Pennsylvania, Ohio, and Illinois, connecting numerous cities and towns along the way. It serves as an important corridor for commerce and travel, offering scenic views and access to historical sites, parks, and attractions throughout its length.