The Underground Railroad was a secret system through which runaway slaves could escape to freedom. Abolitionists hid fugitives in their houses during the day and sent them to another home at night. These safehouses became known as stations, the people who helped were station masters and conductors, and the paths people took to freedom were lines. Learn the stories of some of the people who escaped slavery this way, and the people who ran the Underground Railroad. Includes a timeline of key dates.