They've been behind the wheel for decades; however, even as they start experience signs of aging, many older drivers are reluctant to hang up their keys.

38 million Americans over the age of 65 have driver's licenses, including 3.5 million who are older than 85.

Consumer Reports recently looked at programs and strategies that can either help seniors drive safely or recognize when it's time to retire from the road.

Driver's education courses are available through AARP.