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| Sapporo Municipal Subway | |||
|---|---|---|---|
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| 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 | ||
| 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 | ||
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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.