Bailey's Crossroads

 is a district of Washington, DC which can be reached through Bailey's Crossroads Metro. It consists of the metro exit, a small plaza, a large ruined building and an elevator to the Outcast Outpost.

Aiding the Outcasts
When the player arrives, a group of Brotherhood of Steel Outcasts is fighting a detachment of Super Mutants. Upon defeat of the latter you are told to talk to Defender Morrill who in turns asks you to proceed to the Outcast Outpost and speak to Protector McGraw.