What with everyone thinking about ways to save on gas and avoid driving, one obvious tactic is to take public transportation. With that (and the environment) in mind, we continue to work with public transportation agencies to get bus and train schedules, and integrate this information into Google Maps. We just launched transit directions in Google Maps for mobile so that you can get transit directions while you're out and about in more than 50 cities worldwide. Right now transit directions are available on the latest Google Maps for mobile release on BlackBerry and many Java-based phones. We'll be adding support for other phones shortly.

To see how it works, read more on the Google Mobile Blog, and watch this demo: