Passengers can search for information using a postcode, street name, route number or place of interest, and the tool will display the nearest bus stops, details of the bus routes that call at the particular bus stop, and the current bus route timetable.
Cleverly it uses the familiar Google maps interface with some custom add-ons to make a really simple, clear and easy user interface. And it is considerably better than this load of tosh.
Nice one TfL. check it out here