From Judiciary Square Metro

1. Start out going South on 4TH ST NW toward D ST NW.
2. Turn LEFT onto D ST NW.
3. Turn RIGHT onto 3RD ST NW.
4. Turn LEFT onto CONSTITUTION AVE NW. to 101 CONSTITUTION building.
5. Entrance is located on LOUISIANA AVE.

From Union Station

1. Step out of Union Station and you are on MASSACHUSETTS AVE NE.
2. Go to LOUISIANA AVE (which runs directly into Union Station).
3. Walk 5 blocks to 101 CONSTITUTION building (entrance is located on LOUISIANA AVE).