I-495, also known as the Capital Beltway, is a major interstate highway that encircles the city of Washington, D.C. in Virginia. It spans approximately 64 miles and connects several key areas, including Alexandria, Tysons Corner, and Fairfax. The highway serves as a vital route for commuters and travelers in the region. The beltway is a crucial part of the U.S. Interstate Highway System and facilitates access to various local and regional destinations. It features multiple interchanges and connects with other major highways, enhancing transportation efficiency in the densely populated Northern Virginia area.