Downtown's "underground" is a system of tunnels 20 feet below Houston's Downtown streets and more than six miles long. Starting in the 1930s as a tunnel between two movie theaters, today …

Aug 29, 2025 · Food, vendors, retail, services, access points, and more: here's your guide to navigating the subterranean underground tunnels in Houston. One of the unspoken features of …

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 …

In a city of more than two million people, you would think our downtown streets would be filled with pedestrians during the lunch hour. Well, that's true, but most of them are walking …

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 …

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

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

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

Looking for downtown’s professional set during the week? Forget finding them at the crosswalks—the real action is 20-feet below, in the 7.5-mile-long tunnel system.

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