What is an underground passage or railway called?

subway - an underground tunnel or passage enabling pedestrians to cross a road or railway. underpass. tunnel - a passageway through or under something, usually underground (especially one for trains or cars); "the tunnel reduced congestion at that intersection"

1. What is an underground tunnel called?
2. What is an underground passage or train?
3. What are the underground roads called?
4. Which railway moves underground through tunnels?

What is an underground tunnel called?

shaft - a long vertical passage sunk into the earth, as for a mine or tunnel. underpass, subway - an underground tunnel or passage enabling pedestrians to cross a road or railway.

What is an underground passage or train?

subway, also called underground, tube, or métro, underground railway system used to transport large numbers of passengers within urban and suburban areas. Subways are usually built under city streets for ease of construction, but they may take shortcuts and sometimes must pass under rivers.

What are the underground roads called?

It is also known as a tunnel, underground passage and underpass. An underpass which allows people or vehicles to reach the other side is called a subway. The construction of subways can also be beneficial for the wildlife.

Which railway moves underground through tunnels?

THE METRO RAIL CORPORATION RUNS THE METRO UNDERGROUND. SOMETIMES METRO MOVES THROUGH SURFACE BUT MOST OF THE TIME IT RUNS UNDERGROUND.