Sapporo Municipal Subway

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Sapporo Municipal Subway
Overview
Native name	札幌市営地下鉄 Sapporo-shiei-chikatetsu
Locale	Sapporo, Hokkaido, Japan
Transit type	Rapid transit
Number of lines	3
Number of stations	49
Daily ridership	573,000 (2008 estimate)
Annual ridership	209 million
Operation
Began operation	16 December 1971; 52 years ago (1971-12-16)
Operator(s)	Sapporo City Transportation Bureau
Technical
System length	48.0 km (29.8 mi)
Track gauge	Namboku line: Central and side-mounted guideways, with rubber tires Tōzai and Tōhō lines: Central guideway with rubber tires
Electrification	Namboku line: 750 V DC third rail Tōzai and Tōhō lines: 1,500 V DC overhead catenary
System map

The Sapporo Municipal Subway (札幌市営地下鉄, Sapporo-shiei-chikatetsu) is a mostly-underground rubber-tyred rapid transit system in Sapporo, Hokkaido, Japan. Operated by the Sapporo City Transportation Bureau, it is the only subway system on the island of Hokkaido.