The Capital Beltway, officially known as Interstate 495, is a major highway that encircles the metropolitan area of Washington, D.C. It spans approximately 64 miles and connects various suburbs in Maryland and Virginia, facilitating travel for commuters and visitors alike. Constructed in the 1960s, the Beltway serves as a crucial transportation route, linking key highways and providing access to important landmarks, including the National Mall and Dulles International Airport. It plays a significant role in managing traffic flow in the densely populated region, making it essential for daily commutes and regional connectivity.