With more older drivers on the road, states try to balance safety and mobility

The aftermath of a fatal crash last year in Green Lake, Wisc., where an 85-year-old driver accidentally ran over a 12-year-old boy who was riding his bike on the sidewalk.

The number of older drivers on the road is climbing. Safety advocates want tougher rules for relicensing, but many drivers say they shouldn't be forced to give up their mobility because of age alone.

(Image credit: Courtesy of Angela Zodrow)