Toei Mita Line

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Mita Line
A Toei 6500 series train at Tamagawa Station
Overview
Other name(s)	I
Native name	三田線
Owner	Toei Subway
Line number	6
Locale	Tokyo
Termini	Meguro Nishi-Takashimadaira
Stations	27
Color on map	Blue (#006CB6)
Service
Type	Rapid transit
System	Tokyo subway
Operator(s)	Toei Subway
Depot(s)	Shimura
Rolling stock	Toei 6300 series Toei 6500 series Tokyu 3000 series Tokyu 3020 series Tokyu 5080 series Sotetsu 21000 series
Daily ridership	638,365 (2016)[1]
History
Opened	27 December 1968; 55 years ago (27 December 1968)
Technical
Line length	26.5 km (16.5 mi)
Track gauge	1,067 mm (3 ft 6 in)
Minimum radius	160 m (520 ft) (Shirokanedai - Shirokane-Takanawa) 161 m (528 ft) (Shirokane-Takanawa - Mita)
Electrification	1,500 V DC (overhead line)
Operating speed	75 km/h (47 mph)
Signalling	Cab signalling, closed block
Train protection system	New CS-ATC
Maximum incline	3.5%
Route map

The Toei Mita Line (都営地下鉄三田線, Toei Chikatetsu Mita-sen) is a subway line of the Tokyo Metropolitan Bureau of Transportation (Toei) network in Tokyo, Japan. The line runs between Nishi-Takashimadaira in Itabashi and Meguro in Shinagawa. Trains continue with direct service into the Meguro Line of Tokyu Corporation for Hiyoshi. The portion between Shirokane-Takanawa and Meguro is shared with the Tokyo Metro Namboku Line.

The line was named after the Mita district in Minato, Tokyo, under which it passes. On maps and signboards, the line is shown in blue. Stations carry the letter "I" followed by a two-digit number.