The D.C. Metro, officially known as the Washington Metropolitan Area Transit Authority (WMATA), is a rapid transit system serving the Washington, D.C. metropolitan area. It consists of six lines, identified by colors, and covers over 100 miles of track, connecting various neighborhoods, suburbs, and key landmarks, including the U.S. Capitol and National Mall. The system features 91 stations, making it one of the largest and busiest transit systems in the United States. The D.C. Metro operates daily, providing an efficient and affordable means of transportation for commuters and tourists alike, with options for both single rides and unlimited passes.