The Sakurada Gate of the Imperial Palace. Ii Naosuke was assassinated outside this gate.

Route 20 (国道20号, Kokudō nijū-gō^?) is a national highway connecting Tokyo and Nagano Prefecture in Japan. Originating at Nihonbashi in Chuo, Tokyo, it passes through Shinjuku and four other wards, and then seven cities, including Hachioji in Tokyo. It follows a westward route into Kanagawa Prefecture, passing through the city of Sagamihara and one town. Continuing into Yamanashi Prefecture, the highway passes through nine cities and towns, among them the prefectural capital of Kofu. In Nagano Prefecture, Route 20 passes through five cities and towns before entering Shiojiri, where it terminates at the intersection of Routes 19 and 153. The highway is 225.0 km long. Ii Naosuke (井伊直弼, 1815 - March 3, 1860) was Tairo of Japan from April 23, 1858 until his death. ... National Route 2 connects Osaka and Fukuoka. ... Tokyo , literally eastern capital) is the capital of Japan and one of the 47 prefectures of Japan. ... Nagano Prefecture (長野県; Nagano-ken) is located on Honshu island, Japan. ... Nihombashi (the bridge) Marker from which distances are measured Nihombashi (or Nihonbashi, 日本橋, lit. ... Chūō (中央区; -ku) is a special ward located in Tokyo, Japan. ... Location of Shinjuku-ku in Tokyo. ... The 23 special wards (特別区 tokubetsuku) are self-governing, special municipalities in the central and most populous part of Tokyo, Japan. ... Hachiōji (八王子市; -shi) is a city located in Tokyo, Japan, about 40 km west of the center of Tokyo. ... Kanagawa Prefecture ) is a prefecture located in the southern Kanto region of Honshu, Japan. ... , Sagamihara City Hall Sagamihara (Japanese: 相模原市 -shi) is a city located in Kanagawa, Japan. ... Yamanashi Prefecture (山梨県 Yamanashi-ken) is located in the Chubu region on Honshu island, Japan. ... The prefectures of Japan are the countrys 47 sub-national jurisdictions: one metropolis (都 to), Tokyo; one circuit (道 dō), Hokkaidō; two urban prefectures (府 fu), Osaka and Kyoto; and 43 other prefectures (県 ken). ... , Kofu (甲府市; Kōfu-shi) is the capital city of Yamanashi, Japan. ... Shiojiri (塩尻市; -shi) is a city located in Nagano, Japan. ...

Route 20 is the successor to the Kōshū Kaidō, an Edo period highway connecting the shogunal capital of Edo and Kofu, then the principal city in Kai Province (or Kōshū, as it was also known). Parts of it still bear the old name. Section of Tokaido near Hakone A kaidō (Japanese 街道 road) is an ancient road in Japan dating from the Edo period. ... The Edo period (Japanese: 江戸時代, Edo-jidai), also called Tokugawa period, is a division of Japanese history running from 1603 to 1867. ... The Tokugawa shogunate or Tokugawa bakufu (徳川幕府) (also known as the Edo bakufu) was a feudal military dictatorship of Japan established in 1603 by Tokugawa Ieyasu and ruled by the shoguns of the Tokugawa family until 1868. ... Edo (Japanese: 江戸, literally: bay-door, estuary, pronounced //), once also spelled Yedo or Yeddo, is the former name of the Japanese capital Tokyo. ... Kai province (甲斐国; -no kuni) is an old province in Japan that corresponds to Yamanashi prefecture today. ...

The road's course passes the Sakurada Gate of the Tokyo Imperial Palace. Shinjuku Station is on Route 20. The marathon course of the Tokyo Olympics included parts of Route 20. In Chōfu, the highway passes between Tokyo Stadium and Chofu Airport. , Panorama of the Imperial Palace in Tokyo Map of the Imperial Palace and surrounding Gardens Nijubashi Bridge at the Imperial Palace. ... South side of Shinjuku Station at night ÅŒedo Line ÅŒedo Line Ticket gates on the ÅŒedo Line A northbound Saikyo Line train bound for Kawagoe takes on passengers at Shinjuku Station. ... Modern-day marathon runners For other uses, see Marathon (disambiguation). ... The 1964 Summer Olympics, officially known as the Games of the XVIII Olympiad, were held in 1964 in Tokyo, Japan. ... Chōfu (調布市; -shi) is a city located in Tokyo, Japan. ... Tokyo (Ajinomoto) Stadium Tokyo Stadium (Japanese: 東京スタジアム) is a multipurpose stadium located in Chofu, Tokyo, Japan. ... Chofu Airport is an airport located in Japan, west of central Tokyo. ...

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Route 20 (Japan)