A type of railway which is extremely-common (railways that have two steel rail lines (railway) on which trains run, including from Shinkansen to light railway and Jinsha-kido - a railway system in which men push a passage car or a freight car)
-ごく一般的な鉄道（2本の鉄の線路(鉄道)の上を走るもの。新幹線から軽便鉄道・人車軌道まで）