The Washington Metro (commonly called Metro, and branded Metrorail) is a rapid transit system serving Washington, D.C. and neighboring communities in Maryland and Virginia, both inside and outside the Capital Beltway. With an average weekday ridership of 764,300, the Washington Metro is the second-busiest rapid transit system in the United States, behind the New York City Subway. As of 2022, the system has 97 active stations spread out on six lines with 129 miles (208 km) of tracks. Six more stations opened on November 15, 2022 as part of the Phase II of the Silver Line and an infill station at Potomac Yard is planned to open in early 2023 on the Yellow and Blue lines.