JIS Standard Steel Rail inonyanya kuumbwa nemusoro, tsoka, mukati uye kumucheto zvikamu. Musoro ndiyo chikamu chepamusoro chenjanji yenjanji, ichiratidza chimiro che "V", chinoshandiswa kutungamira chinzvimbo chiri pakati pemavhiri renji; tsoka ndiyo yakaderera chikamu chenjanji yenjanji, inoratidza chimiro chakati sandara, chinoshandiswa kutsigira uremu hwezvinhu nezvitima; Iyo yemukati ndiyo yemukati chimiro chenjanji njanji, inosanganisira pasi njanji, kuvhunduka-kunopinza mapedhi, tayi mbariro, nezvimwewo, izvo zvinogona kuita kuti track yakasimba, ukuwo ichitamba basa rekuvhunduka uye kuchengetedza kushivirira; chikamu chemupendero chikamu chemupendero wenjanji yenjanji, yakafumurwa pamusoro pevhu, inonyanya kushandiswa kuparadzira huremu hwechitima uye kudzivirira kukukurwa kwezvigunwe zvenjanji.