As blogged on Futurism.com, with 5.6 million residents packed into an area about two-thirds the size of New York City, space is already at a premium on the island of Singapore. What’s more, the city-state’s government expects its population to grow by an additional 1.3 million people by 2030.
To meet the needs of all those people, Singapore is solidifying its place as a world leader in underground urbanism — innovative design projects that utilize underground spaces.
Singapore is already home to a large underground network of trains, shopping centers, and passenger tunnels, as well as a five-lane underground highway — the Marina Coastal Expressway — which accounts for 10 percent of its expressways.
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