- Tunnel - Wikipedia
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 ventilation openings at various points along the length
- Tunnels and underground excavations | History, Methods, Uses, Facts . . .
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 vertical opening is usually called a shaft
- TUNNEL Definition Meaning - Merriam-Webster
The meaning of TUNNEL is a covered passageway; specifically : a horizontal passageway through or under an obstruction How to use tunnel in a sentence
- Highway 99 tunnel reopens after first-ever full shutdown
The Highway 99 tunnel in Seattle reopened to traffic after a power outage Thursday morning forced an hourslong shutdown, creating traffic backups
- With gov shutdown over, whats next for Gateway tunnel project?
Those close to the Gateway program are tight-lipped and treading lightly to avoid more talk of terminating the rail tunnel project under the Hudson
- How Tunnels Work - HowStuffWorks
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 examine how tunnels are built
- TUNNEL | English meaning - Cambridge Dictionary
TUNNEL definition: 1 a long passage under or through the ground, especially one made by people: 2 the long passage… Learn more
- TUNNEL Definition Meaning | Dictionary. com
Tunnel definition: an underground passage See examples of TUNNEL used in a sentence
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