Sapporo Municipal Subway

Sapporo Municipal Subway
Overview
Native name札幌市営地下鉄
Sapporo-shiei-chikatetsu
LocaleSapporo, Hokkaido, Japan
Transit typeRapid transit
Number of lines3
Number of stations49
Daily ridership573,000 (2008 estimate)
Annual ridership209 million
Operation
Began operation16 December 1971; 52 years ago (1971-12-16)
Operator(s)Sapporo City Transportation Bureau
Technical
System length48.0 km (29.8 mi)
Track gaugeNamboku line: Central and side-mounted guideways, with rubber tires
Tōzai and Tōhō lines: Central guideway with rubber tires
ElectrificationNamboku 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.