This article from Consumer Reports notes that:
"Later this year, Yoon vs. Wagner, a $30 million lawsuit, is scheduled for trial in Virginia. An attorney is being sued for killing a 15-year-old girl while driving and allegedly conducting business on her cell phone. The litigation has prompted many businesses nationwide to prohibit cell phone use by their employees while driving, according to the Insurance Information Institute, an industry group."
More on the Yoon v. Wagner case, said to be pending in Loudoun County Circuit Court, can be found here, here, here, and here.