Google has made an impressive update to Google Maps for mobile, the service now shows live traffic information in more than 30 metro areas of the US. Google Maps for mobile is a free Java application that works on most phones currently sold in the US. It was introduced almost a year ago and has not experienced a significant update until this point.
To view current traffic conditions in one of the supported markets, users just need to select 'show traffic' from the menu. Roads will be highlighted in red, yellow or green overlays to show the current conditions. Driving directions will now show expected drive time and current traffic congestion.
Another new feature in the update is the ability to save frequent locations for future use. To download Google Maps for mobile, point your phone's browser to http://www.google.com/gmm. The application is free, but data charges from your carrier apply.