However, the curvature radius rules are not applied to the sections in metropolitan areas, such as between Tokyo and Yokohama of Tokaido Shinkansen and between Tokyo and Omiya of Tohoku Shinkansen, and also to those close to the major stations where all trains on a Shinkansen stop.
但し、東海道新幹線の東京-新横浜間や東北新幹線の東京-大宮間のような都心部区間、あるいは全列車が停車する主要駅の前後においては、その限りではない。