The Washington Metropolitan Area Transit Authority‘s new Silver Line opened recently, adding more than 11 miles of track in Tysons Corner and Reston, Va. The new rail line is the WMATA’s first expansion in over a decade and was funded with the help of a $900 million federal grant. But with a price tag of an estimated $5.6 billion, officials say it is one of the largest transit expansions underway in the U.S., with phase two of the project — adding a stop at Dulles airport — slated for completion by 2018. Read The Hill story here

