Google's transit trip planner, launched Wednesday, is currently limited to Portland, Ore., but may eventually launch on a global scale, according to its Web site.
Although Google's transit trip planner is not integrated into, it provides people with information that could dovetail into its local-search efforts. Google and competitors, such as Yahoo and Microsoft's MSN, are and mining the .
The Google trip planner asks people to enter their preferred itinerary, such as location of departure and arrival, as well as dates and time of travel. The site then gleans all available information on public-transportation schedules to produce a trip planner.
The trip planner provides an estimated walking time to catch the nearest form of transportation on the desired route, which transit line to catch, as well as estimated traveling time. The trip planner also provides the estimated cost for using public transportation.