Oshima Tunnel

Tunnel Oshima (渡島トンネル, Oshima tonneru) ko tunnel laana njoorndi njuuteendi mum ko 32 675 kiloomeeteer (20 303 mi) ina mahiraa to fuɗnaange Hokkaido. Ma ɗum jokkondir wuro Hokuto e wuro Yakumo.

Tunnel Oshima maa won feccere e Shinkansen Hokkaido, woni hakkunde jolngo mum hannde to bannge worgo to nokku biyeteeɗo Shin-Hakodate-Hokuto e nokku mo Shin-Yakumo jogori waɗde oo. Burgol ngol fuɗɗii ko e hitaande 2016, ina jogori joofde e hitaande 2024. So ngol gasii, ngol ɓurata juutde e tunnel Hakkōda to diiwaan Aomori, ngol woni tunnel leydi ɓurngol juutde e nder leydi Japon.

 Tuugnorgal