bo . ▁▁ ▁The ▁inner ▁city ▁section ▁which ▁has ▁an ▁overhead ▁line ▁voltage ▁of ▁only ▁ 6 0 0 ▁vol ts ▁instead ▁of ▁ 1 5 0 0 ▁vol ts ▁starts ▁in ▁the ▁Neben bahn hof ▁and ▁the ▁cross - city ▁line ▁runs ▁up ▁to ▁the ▁Br üh lt or ▁( Br ühl ▁gate ) ▁parallel ▁to ▁the ▁St . ▁G allen ▁T rol ley bus ▁line ▁of ▁the ▁Verkehr s bet rie be ▁der ▁Stadt ▁St . ▁G allen ▁( St . ▁G allen ▁city ▁transport ▁company , ▁V BS G ). ▁This ▁section ▁is ▁supplied ▁by ▁a ▁common ▁tra ction ▁subst ation . ▁Origin ally , ▁the ▁trains ▁to ▁Tro gen ▁ran ▁in ▁the ▁city ▁on ▁the ▁tracks ▁of ▁the ▁ ▁St . ▁G allen ▁Tr am way , ▁which ▁was ▁closed ▁in ▁ 1 9 5 7 , ▁but ▁this ▁rail ▁infrastr ucture ▁now ▁belongs ▁to ▁the ▁App enz ell ▁Railway . ▁After ▁taking ▁over ▁the ▁tram ▁infrastr ucture ▁from ▁the ▁city ▁of ▁St . ▁G allen ▁in ▁ 1 9 5 9 , ▁the ▁Tro gen ▁Railway ▁was ▁required ▁to ▁remove ▁the ▁second ▁track ▁in ▁Bahnhof str asse ▁( between ▁the ▁station ▁forec ourt ▁and ▁the ▁Sch ib ener ▁Gate — Sch ib ener tor ). ▁The ▁second ▁track ▁in ▁Bahnhof str asse ▁was ▁not ▁restored ▁until ▁ 1 9 7 8 . ▁▁▁ ▁The ▁cross - city ▁line ▁is ▁built ▁as ▁a ▁tram way ▁to ▁the ▁road ▁j unction ▁beyond ▁Br ühl ▁Gate . ▁It ▁runs ▁up ▁to