According to thecarconnection.com XM is going to start offering Navigational alerts to show where traffic is tied up in your area. I do not know if you already have to have a NAV system to subscribe or not. If not, this would be a pretty cool thing to have for people with long commutes back and forth to work. Heres the link to the article:
http://www.thecarconnection.com/index.asp?article=7023&sid=176&n=156
http://www.thecarconnection.com/index.asp?article=7023&sid=176&n=156
