33rd & Crystal
United States
The Pentagon City–Potomac Yard Line, designated Route A1X (previously known as Metroway until 2025), is a bus rapid transit (BRT) line operated by the Washington Metropolitan Area Transit Authority (WMATA) as part of its Metrobus system. The A1X operates in Arlington and Alexandria, Virginia. It opened on August 24, 2014, and was the first bus rapid transit line to open in Virginia and in the Washington metropolitan area. On June 29, 2025, Metroway was renamed as route A1X during WMATA's Better Bus Redesign.
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