Cell phone users tie up traffic: study

CELL PHONE USERS TIE UP TRAFFIC: STUDY
[SOURCE: Reuters, AUTHOR: Julie Steenhuysen]
If you are reading this on your cell phone, please stay in the right lane. U.S. researchers said on Wednesday that people who use cell phones while behind the wheel impede the flow of traffic, clog highways and extend commute times.
http://www.reuters.com/article/domesticNews/idUSN0210822520080102