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The scale of the infrastructure that moves our stuff is staggering, yet we hardly notice it beyond appreciating how fast a book has arrived or growing agitated with double-parked delivery trucks. But the ships, trains, trucks, ports, rails, roads and support structure that facilitates the metabolism of our society will soon be more visible. The Census Bureau estimates a nearly 20 percent population increase by 2040—that's one new person every 12 seconds who needs and wants stuff.
If we don't figure out how to manage the influx, not only will our freight traffic slow to a standstill, so will we.
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