Transit Maps > Japan > Sapporo Sapporo has a subway and streetcar system operated by Sapporo City Transportation Bureau, Sapporo Municipal Subway: city.sapporo.jp | Wikipedia Official Sapporo Subway route map. [Show full map.] Another official version of Sapporo Subway map. [Map via city.sapporo.jp.] Sapporo Municipal Subway map from Wikipedia. [Map by Angaurits via Wikimedia Commons. […]