Wiktionary
n. (plural of underground railway English)
Usage examples of "underground railways".
Besides, as my boss says, with all governments everywhere tightening down on everything wherever they can, with their computers and their Public Eyes and ninetynine other sorts of electronic surveillance, there is a moral obligation on each free person to fight back wherever possible-keep underground railways open, keep shades drawn, give misinformation to computers.
The iron in the buildings, the water pipes, the underground railways offers some safety.
His home was America, and his ways were the secret ways, the highways in hiding, the underground railways where directions are written in runes.
A different demeanor was necessary directly one stepped out upon Liverpool Street platform, and became one of those preoccupied and hasty citizens for whose needs innumerable taxi-cabs, motor-omnibuses, and underground railways were in waiting.