Federal regulators have approved a long-awaited extension of Metrorail to Tysons Corner and Dulles International Airport, virtually assuring construction of a $5.2 billion project that regional leaders say is crucial to ease congestion and spur economic growth in Northern Virginia. -
Silver Line To Dulles Wins Crucial Federal Okay
Federal regulators have approved a long-awaited extension of Metrorail to Tysons Corner and Dulles International Airport, virtually assuring construction of a $5.2 billion project that regional leaders say is crucial to ease congestion and spur economic growth in Northern Virginia.-
By Amy Gardner