As a result , customers at Franconia - Springfield , Van Dorn Street and stations from L'Enfant Plaza to Greenbelt will have new transfer - free trip options between certain stations .
These trains will be identified as Yellow Line trains .
Customers at Franconia - Springfield , Van Dorn Street and stations from L'Enfant Plaza to Greenbelt will have new transfer - free trip options between certain stations .
These trains will be identified as Yellow Line trains .