Nearly 20 percent of U.S. drivers are over 65: are America's roads ready for them?

[NewsBot]

The Department of Transportation recently published some new statistics on American motorists, and among other things, they suggest that self-driving vehicles couldn't come at a better time. That's because the number of older drivers is increasing. At the moment, the U.S. has a total of 217.9 licensed motorists--more than ever before. Of that...

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