If the circumstance change to allow use of outer tracks in preparation for an increase of Rapid trains, it will be possible to achieve the purpose of augmenting transportation without increasing the frequency of Rapid service on the inner tracks..
これは、快速の増発用に外側線を使えるような環境になれば、内側の快速を増発しなくても輸送力増強の目的は達せられる。