Iyi ngingo irasuzuma hejuru yubuyapani yakoresheje ibiyikora inzira ya kabiri nabatanga isoko, barimo abayobozi b'inganda Nippon Trex na Tokyu. Irimo ubwoko butandukanye bwa roilers yakoreshejwe muri buri gice kiboneka, Ubuyapani bukomeye bwa puyapani, hamwe nisoko ryisoko rya none rihindura urwego. Ingingo irerekana ibyiza byo kugura abayapani bakoresheje ibice bya kabiri, nko kuramba, amateka arambuye yimodoka, hamwe nimiyoboro ikomeye yohereza ibicuruzwa hanze. Yagenewe gufasha ibikoresho bya logisti kwisi yose, itanga imyumvire yimbitse yimpamvu Ubuyapani bukomeje kuba isoko yibanze, imirasire yisumbuye yakoreshejwe muri Semi.
