▁At ▁the ▁beginning ▁of ▁the ▁P SD ▁operation , ▁the ▁conduct or ▁was ▁to ▁signal ▁the ▁departure ▁without ▁blow ing ▁the ▁wh ist le ▁at ▁the ▁time ▁of ▁departure ; ▁the ▁departure ▁sign ▁sound ▁is ▁maintained ▁for ▁the ▁one - man ▁operation ▁and ▁began ▁to ▁be ▁used ▁sequ entially ▁in ▁each ▁station ▁from ▁around ▁November ▁of ▁the ▁same ▁year . ▁ ▁Station ▁list ▁▁ ▁Local ▁trains ▁stop ▁at ▁all ▁stations . ▁ ▁Rap id ▁trains ▁stop ▁at ▁stations ▁marked ▁" ● " ▁and ▁pass ▁those ▁marked ▁" | ". ▁ ▁Rol ling ▁stock ▁▁ 3 0 0 0 ▁series ▁ 3 7 ▁x ▁six - car ▁EM Us ▁( since ▁ 1 9 9 2 ) ▁ ▁, ▁the ▁line ▁is ▁operated ▁using ▁a ▁fleet ▁of ▁ 3 7 ▁six - car ▁ 3 0 0 0 ▁series ▁EM Us ▁based ▁at ▁K amin ag aya ▁Dep ot . ▁The ▁fleet ▁is ▁sub div ided ▁into ▁eight ▁first - batch ▁ 3 0 0 0 A ▁series ▁sets ▁( number ed ▁ 2 4 ▁to ▁ 3 1 ), ▁seven - second - batch ▁ 3 0 0 0 N ▁series ▁sets ▁( number ed ▁ 3 2 ▁to ▁ 3 8 ), ▁four teen ▁third - batch ▁ 3 0 0 0 R ▁series ▁sets ▁( number ed ▁ 3 9 ▁to ▁ 5 2 ), ▁and ▁eight ▁fourth - batch ▁ 3 0 0 0 S ▁series ▁sets ▁( number ed ▁ 5 3 ▁to ▁ 6 0 ). ▁ ▁A