Mobile phone users in major US cities are getting a nice tool from Google today. Google is offering live traffic maps on mobile phones. To use this tool, you will need to download Google Maps for Mobile using your mobile phone’s web browser. The application will deliver the most recent updates of traffic information to your mobile phone. Data plan is required to download the application.
Google Maps for Mobile will give you more than driving directions; it will also give you information about expected drive time, traffic delays, and ability to store your favorite searches and directions.
You can download it at http://www.google.com/gmm/