is a Tokyo Metro

Tokyo Metro

is one of two rapid transit systems making up the Tokyo subway system, the other being Toei. It is the most used subway system in the world in terms of annual passenger rides.-Organization:...

 station in Chiyoda

Chiyoda, Tokyo

is one of the 23 special wards in central Tokyo, Japan. In English, it is called Chiyoda ward. As of October 2007, the ward has an estimated population of 45,543 and a population density of 3,912 people per km², making it by far the least populated of the special wards...

, Tokyo

Tokyo

, ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...

, Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

, serving the Kasumigaseki

Kasumigaseki

Kasumigaseki is a district in Chiyoda Ward in Tokyo, Japan. It is the location of most of Japan's cabinet ministry offices...

 government district.

History

• October 15, 1958　Marunouchi Line station opens.
• March 25, 1964　Hibiya Line station opens.
• March 20, 1971　Chiyoda Line station opens.
• March 15, 1995 Aum Shinrikyo
  Aum Shinrikyo
  Aum Shinrikyo was a Japanese new religious movement. The group was founded by Shoko Asahara in 1984. The group gained international notoriety in 1995, when it carried out the Sarin gas attack on the Tokyo subway....
  
   attempts a biological attack by surreptitiously spreading Botulinum toxin
  Botulinum toxin
  Botulinum toxin is a protein produced by the bacterium Clostridium botulinum, and is considered the most powerful neurotoxin ever discovered. Botulinum toxin causes Botulism poisoning, a serious and life-threatening illness in humans and animals...
  
   in the station. There are no known casualties.
• March 20, 1995　Sarin gas attack
  Sarin gas attack on the Tokyo subway
  The Sarin attack on the Tokyo subway, usually referred to in the Japanese media as the , was an act of domestic terrorism perpetrated by members of Aum Shinrikyo on March 20, 1995....
  
   targets the station.

Lines

• Tokyo Metro Marunouchi Line (M-15)
• Tokyo Metro Hibiya Line
  Tokyo Metro Hibiya Line
  The is a metro line owned and operated by Tokyo Metro located in Tokyo, Japan. The line was named after the district of Hibiya, under which it passes.-Overview:The Hibiya Line runs between in Meguro and in Adachi...
  
   (H-06)
• Tokyo Metro Chiyoda Line (C-08)

Station layout

The platforms for Marunouchi Line serving two tracks consist of one island platform

Island platform

An island platform is a station layout arrangement where a single platform is positioned between two tracks within a railway station, tram stop or transitway interchange...

 and one side platform

Side platform

A Side platform is a platform positioned to the side of a pair of tracks at a railway station, a tram stop or a transitway. A pair of side platforms are often provided on a dual track line with a single side platform being sufficient for a single track line...

. One side of the island platform is closed by a fence.
The platform for the Hibiya Line is an island platform serving two tracks.
The platform for the Chiyoda Line is an island platform serving two tracks.

The platforms for the Chiyoda Line and the Marunouchi Line are not directly connected and transferring passengers need to walk through the Hibiya Line platform. It takes about five minutes.

Adjacent stations