Tokyo Metro Chiyoda Line

Tokyo Metro Chiyoda Line
A Chiyoda Line 16000 series train
Overview
Other name(s)	C
Native name	東京メトロ千代田線
Owner	Tokyo Metro
Line number	9
Locale	Tokyo
Termini	Yoyogi-Uehara Ayase (Main line) / Kita-Ayase (Branch)
Stations	20
Color on map	Green (#00BB85)
Service
Type	Heavy rail rapid transit
System	Tokyo subway
Operator(s)	Tokyo Metro
Depot(s)	Ayase, Yoyogi
Rolling stock	Tokyo Metro 16000 series Tokyo Metro 05 series (for Kita-Ayase Branch Line) Odakyu 4000 series Odakyu 60000 series MSE JR East E233-2000 series
Daily ridership	1,447,730 (2017)[1]
History
Opened	20 December 1969; 55 years ago (1969-12-20)
Technical
Line length	24.0 km (14.9 mi)
Number of tracks	Double-track
Track gauge	1,067 mm (3 ft 6 in)
Minimum radius	160.2 m (526 ft) (Main line) 143.8 m (472 ft) (Branch line)
Electrification	1,500 V DC (overhead line)
Operating speed	80 km/h (50 mph) (Ayase - Yoyogi-Uehara 60 km/h (37 mph) (Kita-Ayase-Ayase)
Signalling	Cab signalling, Closed block
Train protection system	New CS-ATC, ATO
Maximum incline	3.5%
Route map Legend Odakyū Odawara Line for Odawara C01 Yoyogi-Uehara OH Odakyū Odawara Line Yoyogi-Hachiman OH Odawara Line for Shinjuku Yoyogi Depot C02 Yoyogi-koen Harajuku JY Yamanote Line C03 Meiji-Jingumae Fukutoshin Line C04 Omotesandō Ginza and Hanzōmon lines C05 Nogizaka Toei Ōedo Line C06 Akasaka Ginza and Marunouchi lines Tameike-Sanno Ginza and Namboku lines C07 Kokkai-gijidōmae Marunouchi Line Servicing connection to Yūrakuchō Line C08 Kasumigaseki Marunouchi and Hibiya lines Marunouchi Line Mita Line C09 Hibiya Yūrakuchō Yamanote and Keihin-Tohoku lines C10 Nijūbashimae Tokyo Marunouchi, Yamanote and Keihin–Tōhoku lines Ōtemachi Tōzai, Mita, C11 Otemachi Marunouchi and Hanzōmon lines Awajichō C12 Shin-Ochanomizu Ochanomizu JC Chūō Line C13 Yushima Toei Ōedo Line C14 Nezu C15 Sendagi C16 Nishi-Nippori JYJK Yamanote and Keihin-Tohoku lines NT Nippori-Toneri Liner C17 Machiya KS Keisei Main Line, Toden Arakawa Line Joban Line/Hibiya Line/Tobu Line for central Tokyo C18 Kita-Senju JJTS JR Joban, Tobu Skytree Line, Tsukuba Express Arakawa River Central Circular Route Ayase River Shuto Expressway Line 6 Misato Route C19 Ayase Ayase Branch Line splits from Joban Line C20 Kita-Ayase Ayase Depot JJJL Joban Rapid and Local Line for Matsudo, Abiko, Toride

The Tokyo Metro Chiyoda Line (東京メトロ千代田線, Tōkyō Metoro Chiyoda-sen) is a subway line owned and operated by Tokyo Metro in Tokyo, Japan. On average, the line carries 1,447,730 passengers daily (2017), the second highest of the Tokyo Metro network, behind the Tozai Line (1,642,378).^[1]

The line was named after the Chiyoda ward, under which it passes. On maps, diagrams and signboards, the line is shown using the color green, and its stations are given numbers using the letter "C".