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 Kita-ayase (Main line) / Yoyogi-Uehara (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; 54 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 Odakyu Odawara Line for Odawara (C-01) Yoyogi-Uehara Odakyu Odawara Line Yoyogi-Hachiman Odakyu Odawara Line for Shinjuku Yoyogi Depot (C-02) Yoyogi-Koen Harajuku Yamanote Line (C-03) Meiji-Jingumae (C-04) Omotesando (C-05) Nogizaka (C-06) Akasaka Tameike-Sanno (C-07) Kokkai-gijidomae Servicing connection to Yurakucho Line (C-08) Kasumigaseki (C-09) Hibiya Yurakucho Yamanote and Keihin-Tohoku Nijubashimae (C-10) (C-11) Ōtemachi Awajicho (C-12) Shin-Ochanomizu Ochanomizu Chuo (C-13) Yushima (C-14) Nezu (C-15) Sendagi (C-16) Nishi-Nippori Yamanote and Keihin-Tohoku (C-17) Machiya Keisei Main Line, Toden Arakawa Line Joban Line/Hibiya Line/Tobu Line for central Tokyo (C-18) Kita-Senju JR Joban, Tobu Skytree Line, Tsukuba Express Arakawa River Central Circular Route Ayase River Shuto Expressway Line 6 Misato Route (C-19) Ayase Ayase Branch Line splits from Joban Line (C-20) Kita-Ayase Ayase Depot 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".