From DCA:
1. Take the Addiston blue metro line to Rosslyn.
2. Take the Vienna orange metro line to Clarendon.
3. Take escalators up to street.
4. Turn right, and cross Clarendon Blvd.
5. Then immediately cross N. Highland Street.
6. Turn immediately right to LI building.
7. Destination: 1101 N. Highland Street, Arlington, Virginia