Politics, money, and other roadblocks in the way of self-driving cars

It’s been 60 years since the cover of Popular Mechanics magazine gave us the promise of flying cars. But our personal mobility options remain, today and for the foreseeable future, earthbound. Will the promise of self-driving cars be as elusive? In short, no. The dream of taking a road trip in which we pay more attention to a new book or movie than we do to the driving task is well within reach. Still, we’re not there yet. And people are just beginning to ask a very important question: How might our nation’s roads and highways, and the driving done…

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