Young drivers not the only age group taking risks on US roads

Young drivers aren't alone in behaving badly on United States roads, a trend that could be contributing to a spike in highway deaths.

More than half of drivers in every age group have texted behind the wheel, run a red light or driven faster than the speed limit in the last 30 days, according to a new study by the AAA Foundation for Traffic Safety.

Younger motorists are the worst offenders. Eighty-eight percent of drivers ages 19 to 24 admitted to at least one of those behaviors. But even mature drivers skirted the rules more often than researchers expected. For instance, 10 percent of drivers between 60 and 74 have texted or sent an email from behind the wheel, while 37 percent of drivers over 75 said they'd driven through a light that had just turned red.