I le amataga, naʻo le 1,067 mm (3 ft 6 in) auala vaapiapi na faʻataʻatia i totonu o le auala, ae i le 2005 le Hokkaido Shinkansen poloketi na amata fausiaina lea e aofia ai le faʻataʻatiaina o auala lua-gauge (faʻaavanoaina tulaga masani gauge auala gafatia) ma faʻalauteleina le Shinkansen fesoʻotaʻiga i totonu o le auala. Shinkansen tautua i Hakodate amata ia Mati 2016, ma ua fuafuaina e faʻalauteleina i Sapporo e 2031. O le auala faʻataʻavalevale e 52 km (32 mi) o faʻaauau pea ueloina nofoaafi. Lua nofoaga o loʻo i totonu o le auala faʻataʻavalevale <unk> Tappi-Kaitei Station ma Yoshioka-Kaitei Station. Latou te avea ma nofoaga o faʻalavelave faʻafuaseʻi. I le tulaga o se afi poʻo se isi faʻalavelave, o nofoaga e maua ai le tutusa o le saogalemu e sili atu ona puʻupuʻu.
o se auala e sili atu ona puupuu