Category Archives: tunnels

Geography of underground co-location data centers

The list below identifies underground data centers located around the globe that are designed to serve multiple tenants (co-location) versus solely one business or organization. Given the wide ranging of threats to data resources from climate change, cyber attacks, malware, … Continue reading

Posted in adaptive reuse, architecture, atomic age, business, commerce, Communications, ecommerce, economic development, engineering, geography, Geology, government, history, infrastructure, internet, land use, logistics, military, Mining, planning, product design, spatial design, Statistics, technology, topography, tunnels, zoning | Tagged , , , , , , , | Leave a comment

Longest roadway tunnels under North American airports

  The following list identifies the longest road tunnels in the North America that operate beneath airport infrastructure. Any additional, corrections, or suggestions are most welcome, particularly for those tunnels without data or of other locations not included. 3,696 feet … Continue reading

Posted in aerospace, air travel, airport planning, airports, aviation, bridges, Canada, cities, history, infrastructure, land use, North America, planning, spatial design, traffic, transportation, Travel, tunnels, urban planning | Tagged , , , | Leave a comment

Geography of North America’s Current Underground Salt Mines

Below is a listing of the currently operating underground salt mines of North America. Underground mines are primarily used for excavating rock salt. As is evident from the details provided, the majority of these underground mines are enormous in size, … Continue reading

Posted in business, Canada, cities, commerce, economic development, environment, geography, Geology, history, infrastructure, land use, Maps, Mexico, Mining, nature, North America, pictures, planning, rivers/watersheds, shipping, spatial design, States, Statistics, topography, Trade, transportation, tunnels | Tagged , , , , , , , , , , , , , | Leave a comment

Doomsday Bunker Cities and Towns

The following post lists known bunker cities and towns that have been built as a way to survive a nuclear or biological holocaust and/or maintain continuity of government. Many were constructed during the Cold War era, some of which are … Continue reading

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Mending Interstate Injustice – Freeway Capping Projects

In recent years there has been an effort in some cities to mend some of the wounds of Interstate Highway era gashes that were savagely cut through American cities. A method for healing these scars has been to cap the … Continue reading

Posted in Active transportation, adaptive reuse, Advocacy, architecture, Cars, cities, Civil Rights, civility, density, diversity, downtown, economic development, environment, geography, Green roofs, historic preservation, history, humanity, inclusiveness, infrastructure, land use, landscape architecture, pictures, placemaking, planning, poverty, racism, revitalization, social equity, spatial design, sprawl, Statistics, transit, transportation, Travel, tunnels, urban planning, walking, zoning | Tagged , , , , , , , , , , | Leave a comment

When transportation becomes the destination

Now and then, a part of the transportation network becomes iconic in itself. In those cases, the infrastructure not only serves its intended purpose, but also becomes a focal point and source of community, regional, or even national pride, and … Continue reading

Posted in Active transportation, airports, architecture, bicycling, bridges, cities, civics, commerce, culture, economic development, geography, hiking, historic preservation, history, infrastructure, land use, Passenger rail, placemaking, planning, product design, rail, rivers/watersheds, spatial design, tourism, Trade, traffic, trails, transit, transportation, Travel, tunnels | Tagged , , , , , , , , , , , , , , | 2 Comments

Longest underwater highway tunnels

When it became apparent that a list of underwater highway tunnels by order of their length could not be found on the internet, I decided to put one together. The list is not comprehensive and meant to be a continuous … Continue reading

Posted in Cars, cities, commerce, economic development, environment, geography, infrastructure, land use, Maps, planning, Statistics, transportation, Travel, tunnels, urban planning | Tagged , , , , , , , , , , | 9 Comments

Superhighway superhero

While traveling the Pennsylvania Turnpike on our way to Washington, DC last night we stopped at the Midway Service Plaza in Bedford. This recently updated plaza included a very interesting display on the history of the turnpike, Americas first superhighway. … Continue reading

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PortMiami Tunnel to open in May

The twin-tube 4,200 foot long PortMiami Tunnel is scheduled to open to traffic in May of 2014. Under construction since 2010, the $1 billion public-private partnership project will extend Interstate 395 under the Government Cut shipping channel separating Watson Island and Dodge … Continue reading

Posted in architecture, Cars, cities, commerce, downtown, economic development, entertainment, geography, government, infrastructure, land use, logistics, Maps, pictures, placemaking, planning, product design, skylines, spatial design, Statistics, technology, tourism, transportation, Travel, tunnels, urban planning | Tagged , , , , , , , , , , , , , , , , | Leave a comment

Louisville’s East End mega-bridge/tunnel project

Scheduled to open in 2016, the East End Bridge and Tunnel project will fill an existing gap in the Interstate 265 Beltway northeast of downtown Louisville and provide the first fixed Ohio River crossing (a 2,500 foot long cable-stayed bridge with a … Continue reading

Posted in Active transportation, bicycling, Biking, bridges, Cars, cities, commerce, economic development, geography, Geology, hiking, historic preservation, history, infrastructure, land use, logistics, Maps, North America, pictures, planning, product design, spatial design, Statistics, technology, tourism, trails, transportation, Travel, tunnels, Uncategorized, urban planning, walking | Tagged , , , , , , , , , , , , , , , | 5 Comments