Minutemen and are never hostile towards them.
They have no quarrel with the aims of the Using a network of safehouses, code names and symbols, they employ stealth to avoid detection whenever possible but are not opposed to the use of violence against other humans to further their aims.
They believe that synths are living, feeling beings and should be afforded the same fundamental freedoms expected for humans. During their essential quest line, The Railroad will move to eliminate both of those factions to further their aims. They defend themselves from attack by theīrotherhood of Steel who are opposed to their synth freedom fighting. Operating as an underground liberation force similar to the historical Underground Railroad which escorted slaves to freedom, the Railroad works to free and ensure the future safety of synths created by
They are concerned with equal rights for synthetic humans.