▁stopped ▁ 1 9 0 6 ) ▁ ▁Res ited ▁stations ▁ ▁Stock well ▁– ▁new ▁platforms ▁res ited ▁immediately ▁to ▁the ▁south ▁of ▁its ▁prede cess or ▁with ▁the ▁ 1 9 2 2 – 1 9 2 4 ▁upgrade ▁of ▁the ▁line . ▁ ▁E ust on ▁– ▁North bound ▁City ▁branch ▁platform ▁res ited ▁on ▁new ▁alignment ▁parallel ▁to ▁north bound ▁Victoria ▁line , ▁with ▁previous ▁island ▁platform ▁converted ▁to ▁a ▁single ▁platform . ▁ ▁Angel ▁– ▁old ▁island ▁platform ▁converted ▁into ▁a ▁single ▁platform , ▁and ▁a ▁new ▁alignment ▁opened ▁in ▁ 1 9 9 2 , ▁along ▁with ▁a ▁new ▁entrance . ▁ ▁London ▁Bridge ▁– ▁the ▁north bound ▁tunnel ▁and ▁platform ▁converted ▁into ▁a ▁conc ourse , ▁and ▁a ▁new ▁north bound ▁tunnel ▁and ▁platform ▁built ▁in ▁the ▁late ▁ 1 9 9 0 s ▁to ▁increase ▁the ▁platform ▁and ▁circul ation ▁areas ▁in ▁prepar ation ▁for ▁the ▁opening ▁of ▁the ▁J ub ile e ▁line . ▁ ▁Ab andon ed ▁plans ▁Northern ▁He ights ▁stations ▁not ▁transferred ▁from ▁L NER ▁ ▁High gate ▁– ▁High - level ▁only ▁ ▁Str oud ▁Green ▁ ▁Cr ouch ▁End ▁ ▁C ran ley ▁Gard ens ▁ ▁Mus well ▁Hill ▁ ▁Alex andra ▁Palace ▁ ▁Mill ▁Hill ▁( The ▁H ale ) ▁ ▁Bus he y ▁Ext ension ▁stations ▁not ▁constructed ▁ ▁Bro ck ley ▁Hill ▁ ▁El st ree ▁South ▁ ▁Bus he y ▁He ath ▁ ▁In frastr ucture ▁ ▁Rol ling ▁stock ▁ ▁When ▁the ▁line ▁opened