Sapporo Municipal Subway

Sapporo Municipal Subway
Background
Locale	Sapporo, Hokkaidō
Transit type	Rapid transit
Number of lines	3
Number of stations	49
Operation
Began operation	1971
Operator(s)	Sapporo City Transportation Bureau
Technical
System map
	; Map of Sapporo Municipal Subway

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The Sapporo Municipal Subway (札幌市営地下鉄, Sapporo-shiei-chikatetsu^?) is an underground rapid transit system in Sapporo, Hokkaidō, Japan. It is operated by the Sapporo City Transportation Bureau.

[edit] Lines

Sapporo City Transportation Bureau 5000 series EMU at Minami-Hiragishi Station

The system has 3 lines; the first, the Namboku Line, was opened in 1971 prior to the 1972 Winter Olympics.

Color & Icon	Name	Label	First section opened	Last ex- tension	Length km/miles	Stations served
green	Namboku Line	N	1971	1978	14.3 km (8.9 mi)	16
orange	Tōzai Line	T	1976	1999	20.1 km (12.5 mi)	19
sky blue	Tōhō Line	H	1988	1994	13.6 km (8.5 mi)	14

[edit] Technology

Subway trains are guided by a central rail with rubber tires on two narrow steel tracks. This system is unique among subways in Japan.^{[citation needed]}