▁station ▁is ▁served ▁by ▁Th ames link , ▁and ▁is ▁on ▁the ▁S utton ▁Loop ▁Line . ▁It ▁is ▁in ▁Tra vel card ▁Zone ▁ 4 . ▁ ▁History ▁Parliament ary ▁appro val ▁for ▁a ▁line ▁from ▁W im ble don ▁to ▁S utton ▁had ▁been ▁obtained ▁by ▁the ▁W im ble don ▁and ▁S utton ▁Railway ▁( W & SR ) ▁in ▁ 1 9 1 0 ▁but ▁work ▁was ▁delayed ▁by ▁World ▁War ▁I . ▁From ▁the ▁W & SR ' s ▁in ception , ▁the ▁District ▁Railway ▁( DR ) ▁was ▁a ▁share holder ▁of ▁the ▁company ▁and ▁had ▁rights ▁to ▁run ▁trains ▁over ▁the ▁line ▁when ▁built . ▁In ▁the ▁ 1 9 2 0 s , ▁the ▁Under ground ▁Electric ▁Rail ways ▁Company ▁of ▁London ▁( U ER L , ▁prec ursor ▁of ▁London ▁Under ground ) ▁planned , ▁through ▁its ▁ownership ▁of ▁the ▁DR ▁and ▁the ▁City ▁and ▁South ▁London ▁Railway ▁( C & SL R , ▁now ▁the ▁Northern ▁line ), ▁to ▁use ▁part ▁of ▁the ▁W & SR ' s ▁route ▁for ▁an ▁extension ▁of ▁the ▁C & SL R ▁to ▁S utton . ▁The ▁Southern ▁Railway ▁( SR ) ▁object ed ▁and ▁an ▁agreement ▁was ▁reached ▁that ▁enabled ▁the ▁C & SL R ▁to ▁extend ▁as ▁far ▁as ▁M orden ▁in ▁exchange ▁for ▁the ▁U ER L ▁giving ▁up ▁its ▁rights ▁over ▁the ▁W & SR ▁route . ▁The ▁SR ▁subsequently ▁built ▁the ▁line , ▁one ▁of ▁the ▁last ▁to ▁be ▁built ▁in ▁the