The Bus system serves all areas of D.C. as well as parts of Virginia and Maryland.  The price starts at $1.60, depending on the time, for a one-way ride.  For maps of bus routes: District of Columbia, Maryland and Virginia 

Nearest metro stations to GS/OAS:


You also have the option of purchasing a SmarTrip card, which will facilitate the usage of the metro. A SmarTrip card is a permanent, rechargeable farecard.

Using a SmarTrip card is fast and easy. Instead of inserting a farecard through the Metrorail faregate slot, you simply touch the SmarTrip card to the circular targets on top of or inside station faregates.