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

In this article, we'll explore what makes tunnels such an attractive solution for railways, roadways, public utilities and telecommunications. We'll look at the defining characteristics of tunnels and …

Tunnel construction is a subset of underground construction. There are three basic types of tunnel construction in common use: Cut-and-cover tunnel, constructed in a shallow trench and then …

tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature’s action in dissolving a soluble rock, such as limestone. A …

Define tunnel. tunnel synonyms, tunnel pronunciation, tunnel translation, English dictionary definition of tunnel. n. 1. An underground or underwater passage. 2. A passage through or …

Tunnels are underground or underwater passages designed to allow transportation through or beneath natural and man-made barriers. Engineers use tunnels in diverse applications, …

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

Interstate 64 (I-64) in the US state of Kentucky travels for 191 miles (307 km), passing by the major towns and cities of Louisville, Frankfort, Lexington, and Ashland. It has several major …

A tunnel is a long passage which has been made under the ground, usually through a hill or under the sea. Local drivers love the tunnel. To tunnel somewhere means to make a tunnel there. …