The birth of the underground city
Life 20 feet below the street
Engineering and architectural design
The great flood of Tropical Storm Allison
Why do some older sections of the Houston tunnels present challenges for wheelchair accessibility?
What major geological challenge do engineers face when digging tunnels under Houston?
misslily Houston Downtown Tunnels
Under the street, under the street We're escaping the summer heat
misslily The underground tunnels seamlessly connect to elevated sky bridges to span the city.
How does the Houston tunnel system overcome obstacles like deep utility lines that block underground digging?
Which of these is NOT a business type you would commonly find operating inside the Houston tunnels?
Spongy foundations: Because Houston lacks bedrock, skyscrapers and tunnels are supported by floating concrete foundations that distribute weight evenly.
misslily A complex network of pipes and cables runs parallel to the pedestrian walkways.
What vital infrastructure runs in hidden conduits alongside the pedestrian paths in the tunnels?
What engineering technique is used to support Houston's heavy skyscrapers on its soft, bedrock-free soil?
An artificial underground passage, especially one built through a hill or under a building, road, or river. In 1961, a new tunnel linked the Bank of the Southwest to the Mellie Esperson Building.
