bi pp - B ahn ; ▁SN B ) ▁and ▁the ▁Ober a arg au ische ▁Autom obil kur se ▁( O AK ) ▁to ▁form ▁A are ▁Se eland ▁mobil ▁( AS m ), ▁which ▁now ▁oper ates ▁the ▁ 2 1   km - long , ▁met re - g au ge ▁B iel – T ä uff elen – In s ▁railway . ▁ ▁History ▁▁▁ ▁The ▁company ▁was ▁founded ▁as ▁the ▁Se el änd ische ▁L okal bah nen ▁( Se eland ▁local ▁railway ; ▁SL B ) ▁in ▁ 1 9 1 2 ▁with ▁its ▁headquarters ▁in ▁T ä uff elen . ▁The ▁first ▁section ▁of ▁the ▁line ▁from ▁N id au ▁to ▁S is elen ▁was ▁opened ▁on ▁ 4   Dec ember ▁ 1 9 1 6 ▁and ▁the ▁section ▁from ▁S is elen ▁to ▁Ins ▁followed ▁on ▁ 1 9   M arch ▁ 1 9 1 7 . ▁Since ▁the ▁line ▁ends ▁in ▁Ins ▁next ▁to ▁the ▁standard - g au ge ▁line ▁of ▁the ▁Bern – Ne uch ât el ▁railway ▁( B N ), ▁a ▁trans porter ▁w agon ▁yard ▁was ▁opened ▁at ▁the ▁same ▁time ▁for ▁the ▁carriage ▁of ▁standard ▁gauge ▁fre ight ▁cars ▁on ▁the ▁met re - g au ge ▁line . ▁▁ ▁The ▁last ▁section ▁between ▁N id au ▁and ▁the ▁ ▁station ▁forec ourt ▁( B ahn hof platz ) ▁followed ▁on ▁ 2 1   August ▁ 1 9 2 6 . ▁A ▁trans porter ▁w