JAMA : the journal of the American Medical Association
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JAMA
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Little is known about how state-level driver licensure laws, such as in-person renewal, vision tests, road tests, and the frequency of license renewal relate to the older driver traffic fatality rate. ⋯ In-person license renewal was related to a significantly lower fatality rate among the oldest old drivers. More stringent state licensure policies such as vision tests, road tests, and more frequent license renewal cycles were not independently associated with additional benefits.