Kammala jumla mai zuwa: Babbar hanyar ta kasance hanyar ficewa ga garin Kuji bayan
2011 Tōhoku girgizar kasa da kuma tsunami mai zuwa. Bayan bala'in, an sake gina wani yanki mai tsaunuka na babbar hanyar a matsayin wani ɓangare na ƙoƙarin dawo da yankin gaba ɗaya don inganta tasirin babbar hanyar yayin ƙaura a nan gaba. Za a kammala aikin gyarawa a shekarar 2020.