Google Transit Plans Trips on Public Transit

Google Transit is a journey-planner for public transit systems in nine US cities and all of Japan. It works more or less like Google Maps’s driving directions, but for transit systems, and includes itineraries and maps. Weirdly, it doesn’t include the NYC subway/bus network, nor the London networks, though London is superbly served by the Transport for London journey planner — via Boing Boing