For the study metro stations which were used as the major points :
-185 studies in 60 of the 86 existing Metro station areas in metropolitan Washington
-10 studies at all four planned stations along the Silver line extension through Tysons Corner
-11 studies at three of the eight planned stations along the Silver line extension from Tysons Corner to Dulles Airport and beyond.
Public transportation reduces the number of trips made in private vehicles, vehicle miles of travel (VMT), and greenhouse gas emissions; facilitates compact, mixed-use, pedestrian-friendly development; saves energy; and improves air quality.
