Tokyo Metro Hibiya Line

Tokyo Metro Hibiya Line
A Hibiya Line 13000 series train in 2019
Overview
Other name(s)	H
Native name	東京メトロ日比谷線
Owner	Tokyo Metro
Line number	2
Locale	Tokyo
Termini	Naka-Meguro Kita-Senju
Stations	22
Color on map	Silver (#B5B5AC)
Service
Type	Rapid transit
System	Tokyo subway
Operator(s)	Tokyo Metro
Depot(s)	Senju, Takenotsuka
Rolling stock	Tokyo Metro 13000 series Tobu 70000 series
Daily ridership	1,213,492 (2017)[1]
History
Opened	28 March 1961; 63 years ago (1961-03-28)
Technical
Line length	20.3 km (12.6 mi)
Track gauge	1,067 mm (3 ft 6 in)
Minimum radius	126.896 m (416.33 ft)
Electrification	1,500 V DC (overhead line)
Operating speed	80 km/h (50 mph)
Train protection system	New CS-ATC
Maximum incline	3.9%

The Tokyo Metro Hibiya Line (東京メトロ日比谷線, Tōkyō Metoro Hibiya-sen) is a subway line in Tokyo, Japan, owned and operated by Tokyo Metro. The line was named after the Hibiya area in Chiyoda's Yurakucho district, under which it passes. On maps, diagrams and signboards, the line is shown using the color silver, and its stations are given numbers using the letter "H".