8 ▁for ▁a ▁folk ▁festival ▁and ▁scheduled ▁commercial ▁operations ▁began ▁on ▁ 7 ▁October . ▁▁ ▁S iem ens ▁used ▁an ▁inter ruption ▁of ▁operations ▁to ▁operate ▁a ▁digital ▁inter lock ing ▁for ▁the ▁first ▁time ▁anywhere ▁in ▁the ▁world ▁in ▁September ▁ 2 0 1 8 . ▁The ▁signal ▁box ▁was ▁operated ▁from ▁a ▁S iem ens ▁location ▁in ▁Wall is ellen ▁on ▁a ▁trial ▁basis ▁via ▁a ▁public ▁data ▁network . ▁ ▁Route ▁description ▁ ▁After ▁the ▁line ▁has ▁left ▁the ▁Inner rh oden ▁capital ▁of ▁App enz ell — which ▁is ▁also ▁served ▁by ▁the ▁trains ▁of ▁the ▁G oss au – W asser au en ▁railway ▁of ▁the ▁original ▁App enz ell ▁Railway — it ▁runs ▁over ▁the ▁ 2 9 6 - meter - long ▁impos ing ▁S itter ▁Vi ad uct ▁to ▁the ▁Hir sch berg ▁loop , ▁which ▁offers ▁a ▁magnific ent ▁view ▁of ▁App enz ell ▁and ▁the ▁Al p stein . ▁Running ▁next ▁to ▁the ▁road , ▁after ▁passing ▁over ▁a ▁waters hed , ▁the ▁railway ▁reaches ▁the ▁crossing ▁station ▁of ▁Sam mel platz ▁and , ▁after ▁about ▁three ▁kilometres ▁of ▁down ▁grade , ▁the ▁entrance ▁of ▁the ▁Aus ser rh oden ▁village ▁of ▁G ais . ▁The ▁line , ▁which ▁is ▁now ▁running ▁away ▁from ▁the ▁road , ▁takes ▁a ▁tight ▁ 1 8 0 ° ▁curve ▁into ▁the ▁station ▁of ▁G ais , ▁where ▁the ▁trains ▁that ▁run ▁over ▁the ▁St oss ▁Pass ▁to ▁Alt st ätten ▁wait , ▁and ▁the ▁dep