▁This ▁gives ▁a ▁ 2 0 ▁t ph ▁service ▁on ▁all ▁parts ▁of ▁the ▁line ▁except ▁between ▁Mill ▁Hill ▁East ▁and ▁Fin ch ley ▁Central . ▁ ▁Night ▁ ▁Since ▁ 2 0 1 6 , ▁the ▁Northern ▁line ▁has ▁operated ▁Night ▁T ube ▁service ▁on ▁Friday ▁and ▁Saturday ▁night s ▁between ▁M orden ▁and ▁Ed g ware / High ▁Bar net ▁via ▁Char ing ▁Cross . ▁Tra ins ▁run ▁every ▁ 1 5 ▁minutes ▁on ▁the ▁northern ▁branches , ▁for ▁four ▁trains ▁per ▁hour , ▁combining ▁for ▁a ▁frequency ▁of ▁eight ▁trains ▁per ▁hour ▁between ▁Cam den ▁Town ▁and ▁M orden . ▁Service ▁is ▁susp ended ▁on ▁the ▁Bank ▁branch ▁and ▁the ▁Mill ▁Hill ▁East ▁sh utt le ▁during ▁Night ▁T ube ▁operations . ▁▁ 4 t ph ▁from ▁High ▁Bar net ▁to ▁M orden ▁via ▁Char ing ▁Cross ▁ 4 t ph ▁from ▁Ed g ware ▁to ▁M orden ▁via ▁Char ing ▁Cross ▁ ▁Map ▁ ▁St ations ▁ ▁Open ▁stations ▁ ▁High ▁Bar net ▁branch ▁ ▁Ed g ware ▁branch ▁ ▁Cam den ▁Town ▁ ▁Char ing ▁Cross ▁branch ▁ ▁Bank ▁branch ▁ ▁Main ▁line ▁ ▁Cl osed ▁stations ▁ ▁P erman ently ▁closed ▁stations ▁ ▁King ▁William ▁Street ▁( closed ▁ 1 9 0 0 , ▁replaced ▁by ▁Bank ) ▁ ▁City ▁Road ▁( closed ▁ 1 9 2 2 ) ▁ ▁South ▁Kent ish ▁Town ▁( closed ▁ 1 9 2 4 ) ▁ ▁North ▁End ▁( also ▁known ▁as ▁Bull ▁& ▁Bush ▁- ▁never ▁opened ▁– ▁work