Washington Metropolitan Area Transit Authority (July 2009). "Sequence of Metrorail openings"(PDF). Archived from the original(PDF) on January 13, 2010. Retrieved July 25, 2010.
Washington Metropolitan Area Transit Authority (July 2009). "Sequence of Metrorail openings"(PDF). Archived from the original(PDF) on January 13, 2010. Retrieved July 25, 2010.