Linked from
The 8 pages that link to Tōhoku Shinkansen, each with the reason it gives.
ShinkansenBroader topic: It extends high-speed service from Tokyo toward the Tōhoku region.
Tōhoku regionRelated: It changed travel times and connected the region more closely to Tokyo.
Iwate PrefectureRelated: It connects Iwate’s capital to major cities across Japan.
SendaiRelated: The line gives Sendai its fastest rail connection to Tokyo and northern Tōhoku.
KōriyamaRelated: The line connects Kōriyama directly with Tokyo and other major cities.