If the lane changes, hang up

Commuters chattering away on cell phones take about 5 percent to 10 percent longer to get to work than motorists who drive undistracted, according to a recent study.A University of Utah psychology professor found that drivers on their cell phones tended to follow the car in front of them, even if it's a slow car, and change lanes much less often.So, let's review the bidding. A driver on a cell phone stays in his lane, drives the speed of traffic and isn't constantly cutting in and out. And this is bad because?(Distributed by Scripps Howard News Service, http://www.scrippsnews.com)