The document summarizes various modes of public transportation in London, including buses, the London Underground subway system, ferries, motorcycles, pedicabs, and trams. It notes that buses are extensive and often full, with single-decker or double-decker buses used. Children under 11 can travel free on public transit. The London Underground map includes zones and rail lines. Ferry services and Docklands Light Railway also operate in London. Motorcycles, pedicabs, and the newer tram system provide additional transit options for travelers in the city.