It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed except for the two portals common at each end, though there may be access and …

The Hudson Tunnel Project will make two crucial improvements to the national rail network: Building nine miles of new passenger rail track between New York and New Jersey, including …

Dec 16, 2025 · The first of five early Gateway Tunnel projects is almost finished and tunnel boring machines on the way. When is the federal government going to resume payments?

Dec 19, 2025 · tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature’s action in dissolving a soluble rock, such as …

The meaning of TUNNEL is a covered passageway; specifically : a horizontal passageway through or under an obstruction. How to use tunnel in a sentence.

Constructing a tunnel is one of the most complex challenges in the field of civil engineering. Learn about the basics behind tunnels.

TUNNEL meaning: 1. a long passage under or through the ground, especially one made by people: 2. the long passage…. Learn more.

In general, tunnels are at least twice as long as they are wide and are completely enclosed on all sides, save for the openings at each end. A tunnel may be used by pedestrians, cyclists, motor …

TUNNEL definition: an underground passage. See examples of tunnel used in a sentence.

A tunnel is a long passage which has been made under the ground, usually through a hill or under the sea. Boston drivers love the tunnel.