English: Track section used for testing which was the first to be completed by the former Japanese National Railways in the construction of the Tōkaidō Shinkansen from Tokyo to Osaka. Tests were carried out in various capacities from 1962 to 1964 here.
Japanese: 東海道新幹線の建設時に旧国鉄が東京大阪間全線に先駆けて完成させた試験用区間。昭和37年から昭和39年にかけて、新幹線のテストが様々な形で行われた。