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新幹線は広軌でない | 誰かに話したくなる雑学
Author:
• 水曜日, 4月 10th, 2013




わが日本の誇る東海道新幹線のレールは広軌じゃない、などといったら、JRさんが目をむくかも知れないが、これまでの旧線のレールよりも広いからといって、必ずしも広軌でございというわけではないです。

では、広軌・狭軌はどこでわかるかというと、もともと二本軌条(レール)の、いわゆる双軌鉄道は、広軌・標準軌。狭軌と三つに分類されており、標準軌の軌間(つまりレールの間)は1m43cm5mmということになっています。

これより広いのが広軌で、狭いのが狭軌になります。

わが新幹線は、残念ながらピタリ標準軌ということになって、国際的にはやっぱり広軌じゃないというわけです。

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