▁so , ▁in ▁ 1 9 0 0 , ▁a ▁new ▁route ▁to ▁Mo org ate ▁via ▁Bank ▁was ▁opened . ▁By ▁ 1 9 0 7 ▁the ▁C & SL R ▁had ▁been ▁further ▁extended ▁at ▁both ▁ends ▁to ▁run ▁from ▁Cla ph am ▁Common ▁to ▁E ust on . ▁ ▁The ▁C CE & HR ▁( comm only ▁known ▁as ▁the ▁" H amp st ead ▁T ube ") ▁was ▁opened ▁in ▁ 1 9 0 7 ▁and ▁ran ▁from ▁Char ing ▁Cross ▁( known ▁for ▁many ▁years ▁as ▁Str and ) ▁via ▁E ust on ▁and ▁Cam den ▁Town ▁( where ▁there ▁was ▁a ▁j unction ) ▁to ▁Gold ers ▁Green ▁and ▁High gate ▁( now ▁known ▁as ▁Arch way ). ▁It ▁was ▁extended ▁south ▁by ▁one ▁stop ▁to ▁Em bank ment ▁in ▁ 1 9 1 4 ▁to ▁form ▁an ▁inter change ▁with ▁the ▁Baker lo o ▁and ▁District ▁lines . ▁In ▁ 1 9 1 3 ▁the ▁Under ground ▁Electric ▁Rail ways ▁Company ▁of ▁London ▁( U ER L ), ▁owner ▁of ▁the ▁C CE & HR , ▁took ▁over ▁the ▁C & SL R , ▁although ▁they ▁remained ▁separate ▁companies . ▁ ▁Integr ation ▁During ▁the ▁early ▁ 1 9 2 0 s , ▁a ▁series ▁of ▁works ▁was ▁carried ▁out ▁to ▁connect ▁the ▁C & SL R ▁and ▁C CE & HR ▁t unn els ▁to ▁enable ▁an ▁integrated ▁service ▁to ▁be ▁operated . ▁The ▁first ▁of ▁these ▁new ▁t unn els , ▁between ▁the ▁C