I-270 is a major interstate highway in the United States that serves as a bypass around the city of Washington, D.C.. It connects several key areas, including Maryland and Virginia, facilitating travel for commuters and commercial vehicles. The highway spans approximately 51 miles and is an essential route for those traveling to and from the capital region. The interstate is part of the larger Interstate Highway System, which was established to improve road safety and efficiency across the country. I-270 features multiple interchanges and connects with other major highways, making it a vital corridor for both local and long-distance travel.