Google has updated their experimental Transit product to include 5 new cities. Now Seattle, Pittsburgh, Honolulu, Tampa, and Eugene, in addition to the original Portland, are available. To enable further expansion they have also published a feed specification that cities can use to share their data. I’m excited by this as I find the UI very simple to use, but when I ran the product by some fellow Seattle-ites they felt that they got better results from the local Trip Planner. I’m sure this will improve in time. WorldChanging, who helped with the product, has more.