Final answer:
Conductors of the Underground Railroad were called so because they played a similar role to train conductors by guiding escaped slaves to freedom through a network of safe routes and hideaways.
Step-by-step explanation:
The individuals who worked on the Underground Railroad were called conductors because, even though the Underground Railroad was not an actual railroad, these individuals were akin to train conductors guiding passengers along their journey. In the context of the Underground Railroad, conductors were responsible for helping escaped slaves navigate the dangerous journey from the South to freedom in the North. These conductors organized secret passages, provided shelter, and assisted with transportation between various stations, which were safe houses or other hiding spots along the journey to freedom.