▁Az am ino ▁to ▁K ita - Sh in - Y ok oh ama ▁( expect ▁Az am ino ▁and ▁Nak ag awa ) ▁Sign alling : ▁Cab ▁sign alling ▁Oper ating ▁speed : ▁ 8 0   km / h ▁Train ▁length : ▁ 6 ▁cars ▁ ▁Ve h icle ▁dep ots : ▁K amin ag aya , ▁N ipp a ▁ ▁Oper ations ▁During ▁the ▁day time , ▁there ▁is ▁one ▁rapid ▁train ▁between ▁Sh on and ai ▁and ▁Az am ino ▁every ▁ 3 0 ▁minutes . ▁In ▁addition , ▁there ▁are ▁two ▁local ▁trains ▁between ▁Sh on and ai ▁and ▁Az am ino , ▁one ▁local ▁train ▁between ▁Od or iba ▁and ▁Az am ino ▁station , ▁and ▁one ▁local ▁train ▁between ▁Sh on and ai ▁and ▁N ipp a ▁in ▁between ▁each ▁rapid ▁train . ▁All - night ▁operation ▁was ▁carried ▁out ▁for ▁the ▁first ▁time ▁for ▁New ▁Year ' s ▁E ve ▁in ▁December ▁ 2 0 0 8 . ▁Train ▁services ▁operate ▁every ▁ 5 ▁minutes . ▁ ▁Rap id ▁service ▁ ▁Rap id ▁services ▁do ▁not ▁stop ▁at ▁all ▁stations ▁between ▁T ots uka ▁and ▁N ipp a . ▁They ▁stop ▁at ▁K amin ag aya , ▁Kam io oka , ▁K ann ai , ▁Sak ur ag ich o , ▁Y ok oh ama , ▁and ▁Shin - Y ok oh ama , ▁which ▁are ▁the ▁line ' s ▁main ▁transfer ▁points ▁to ▁other ▁railway ▁services . ▁Between ▁ ▁Sh on and ai ▁and