Experts say last week's tragic accident involving an 86-year-old driver is a wakeup call to the problem of transportation for the nation's elderly.
There have been increased calls that seniors pass tests before their driver's licenses are renewed.
But one expert says current tests need to be improved because they don't get the right people off the road. Some seniors may also forget they've failed the test and continue to drive.
Another expert told a congressional hearing that taking away a license isn't enough, and suggested the drastic step of removing car batteries.
With the number of licensed drivers 70 and older approaching 20 million, senior advocates called for the government to do a better job of providing the elderly with transportation.
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