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Where you live determines what extra requirements, if any, older adults must meet to keep their driver’s license.

Among the most strict rules: Illinois requires a road test to check driving skills with every license renewal starting at age 75 — and starting at age 81, those renewals are required every two years instead of every four. At 87, Illinois drivers must renew annually. In Washington, D.C., starting at age 70, drivers must bring a doctor’s certification that they’re still OK to drive every time they renew their license. New Mexico requires annual renewals at 75.