▁had ▁a ▁low - floor ▁control ▁car . ▁In ▁the ▁working ▁day ▁peak ▁an ▁express ▁service ▁ran ▁from ▁App enz ell ▁to ▁St . ▁G allen ▁in ▁the ▁morning ▁and ▁returned ▁in ▁the ▁evening ▁peak , ▁taking ▁ 3 9 ▁minutes ▁over ▁the ▁whole ▁line ▁rather ▁than ▁the ▁usual ▁ 4 3 ▁minutes . ▁Two ▁morning ▁and ▁several ▁evening ▁services ▁were ▁replaced ▁by ▁bus ▁services . ▁▁ ▁The ▁St . ▁G allen – T ro gen ▁line ▁was ▁operated ▁as ▁line ▁S ▁ 2 1 ▁during ▁the ▁day ▁at ▁half - hour ▁intervals ▁with ▁four ▁Be ▁ 4 / 8 ▁services ▁operated ▁as ▁two ▁additional ▁round ▁tri ps ▁during ▁the ▁pe aks , ▁creating ▁a ▁service ▁every ▁quarter ▁of ▁an ▁hour . ▁With ▁the ▁exception ▁of ▁Spe icher , ▁all ▁intermediate ▁stations ▁are ▁request ▁stops . ▁Sch eduled ▁train ▁crossing ▁occur ▁in ▁Schwar zer ▁B ären ▁station , ▁but ▁in ▁the ▁peak ▁there ▁are ▁also ▁cross ings ▁at ▁Spe icher ▁and ▁Sp is ert or . ▁The ▁Tro gen ▁line ▁handled ▁fre ight ▁until ▁mid - 1 9 9 1 , ▁largely ▁with ▁fre ight ▁w ag ons ▁attached ▁to ▁passenger ▁trains , ▁and ▁until ▁ 2 0 0 7 , ▁there ▁were ▁postal ▁cons ign ments ▁in ▁fre ight ▁w ag ons . ▁ ▁Since ▁the ▁opening ▁of ▁the ▁cross - city ▁line ▁▁ ▁In ▁the ▁ 2 0 1 9 ▁tim et able , ▁the ▁previous ▁service ▁is ▁basically ▁maintained ▁with ▁an ▁additional ▁App enz ell – St . ▁G allen