Some privacy advocates are uneasy about a Missouri Department of Trasportation plan to monitor traffic congestion on state roads and highways by tracking drivers’ cell phones.  According to an article by David A. Lieb –

A congestion alert is issued, automatically updating electronic road signs and Web sites, and dispatching text messages to mobile phones and auto dashboards.

While similar projects are already in use in Baltimore and plans to use this technology are in the works for Virginia and Georgia, the Missouri cell phone tracking plan will be the largest of its kind.  You can read the full article by David Lieb at Using cell phone traffic to map road congestion @ suntimes.com.