It isn't new, people have used it probably since the train was invented. It is kind of hard to miss with a train or wound yourself with one.
they call it that because it was underground and its was a rail road
The first rail road was built in 1786
what are 10 facts on the underground rail road
Indiana Rail Road was created in 1986.
Strasburg Rail Road was created in 1832.
Western Rail Road was created in 1975.
T-H-A-T
the union rail road was finished on may 10, 1869
Kent County Rail Road was created in 1856.
Kent County Rail Road ended in 1883.
Lake Lock Rail Road was created in 1796.
Lake Lock Rail Road ended in 1836.