Tokyo Metro

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Tokyo Metro
Overview
Native name	東京メトロ Tōkyō Metoro
Owner	Tokyo Metro Co., Ltd.
Locale	Greater Tokyo Area, Japan
Transit type	Rapid transit
Number of lines	9[1]
Number of stations	180[1]
Daily ridership	6.84 million (FY2014)[2]
Website	Tokyo Metro
Operation
Began operation	1927; 97 years ago (1927) as Tokyo Underground Railway (1941; 83 years ago (1941) as Teito Rapid Transit Authority; 2004; 20 years ago (2004) under current name)
Operator(s)	Tokyo Metro Co., Ltd. (private kabushiki gaisha owned by the Government of Japan (53.42%) and the Tokyo Metropolitan Government (46.58%))
Number of vehicles	2,773 cars (2012)[1]
Technical
System length	195.1 km (121.2 mi)[1]
Track gauge	1,067 mm (3 ft 6 in) 1,435 mm (4 ft 8+1⁄2 in) standard gauge (Ginza & Marunouchi lines)
Electrification	1,500 V DC overhead catenary 600 V DC third rail (Ginza & Marunouchi lines)
Top speed	80 km/h (50 mph) 100 km/h (62 mph) (Tōzai Line) 65 km/h (40 mph) (Ginza Line) 75 km/h (47 mph) (Marunouchi Line)
System map Tokyo Metro lines (Toei and JR lines are shown in faint colours.)

The Tokyo Metro (Japanese: 東京メトロ, Tōkyō Metoro) is a major rapid transit system in Tokyo, Japan, operated by the Tokyo Metro Co. With an average daily ridership of 6.84 million passengers, the Tokyo Metro is the larger of the two subway operators in the city; the other being the Toei Subway, with 2.85 million average daily rides.^[2][3]