centre of downtown Tokyo. Two different organisations operate the subway network: the private Tokyo Metro and the governmental Tokyo Metropolitan Bureau of Transportation. The metropolitan government and private carriers operate bus routes and one tram route. Local, regional, and national services are available, with major terminals at the giant railroad stations, including Tokyo, Shinagawa, and Shinjuku.Expressways link the capital to other points in the Greater Tokyo area, the Kantō region, and the islands of Kyushu and Shikoku. In order to build them quickly before the 1964 Summer Olympics, most were constructed above existing roads.[69] Other transportation includes taxis operating in the special wards and the cities and towns. Also long-distance ferries serve the islands of Tokyo and carry passengers and cargo to domestic and foreign ports.