> ***** Moderator's Note *****
>> By the way, does anyone have data on the percentage of cell phone use
>> done by automobile drivers vs. passengers vs. those not in cars?
> I don't have any real data other than personal observation, but on the
> drivers vs. passengers issue, I'd say that it was drivers over
> passengers 20:1. First, because most cars have only a driver, no
> passengers. Second, because it's much less common to see a cell phone
> in use when there are multiple people in the car.
>
> Dave
When there are multiple people in the car, the conversation is as much of a distraction as using a cellphone is. Or perhaps they now have distraction overload. It's common to see a woman on a cellphone in her SUV with several kids in the car, trying to navigate through a tight left turn lane.