▁western ▁coast line , ▁passing ▁through ▁Por ir ua ▁and ▁Par ap ara um u ▁to ▁Wa ik ana e ▁on ▁the ▁Kap iti ▁Coast ▁( known ▁as ▁the ▁Kap iti ▁Line ); ▁the ▁W air ar apa ▁Line ▁runs ▁along ▁the ▁edge ▁of ▁Well ington ▁Har bour ▁and ▁then ▁up ▁the ▁H utt ▁Valley , ▁passing ▁through ▁both ▁Lower ▁and ▁Upper ▁H utt ▁( known ▁as ▁the ▁H utt ▁Valley ▁Line ). ▁Less ▁frequent ▁services ▁continue ▁through ▁the ▁rural ▁W air ar apa , ▁stopping ▁at ▁a ▁number ▁of ▁small ▁towns ▁before ▁termin ating ▁at ▁Master ton . ▁There ▁are ▁also ▁the ▁Johnson ville ▁Line ▁in ▁the ▁north ▁of ▁Well ington ▁and ▁the ▁M elling ▁Line ▁on ▁the ▁western ▁side ▁of ▁Lower ▁H utt . ▁The ▁Kap iti ▁Line ▁is ▁double ▁track ed ▁until ▁the ▁Wa ik ana e ▁River ▁bridge ▁( except ▁for ▁a ▁short ▁stretch ▁between ▁M uri ▁and ▁Pa ek ak ar iki ), ▁and ▁the ▁H utt ▁Valley ▁Line ▁is ▁double ▁track ed ▁until ▁Tr ent ham . ▁The ▁W air ar apa ▁Line ▁beyond ▁Tr ent ham , ▁and ▁the ▁Johnson ville ▁and ▁M elling ▁lines , ▁are ▁single ▁track . ▁ ▁There ▁are ▁ 4 9 ▁stations ▁in ▁the ▁rail ▁network , ▁all ▁except ▁Well ington ▁railway ▁station ▁owned ▁by ▁Gre ater ▁Well ington ▁Regional ▁Council . ▁Well ington ▁station ▁is ▁the ▁bus iest ▁by ▁far , ▁with ▁trains ▁arriv ing ▁and ▁depart ing ▁every ▁few ▁minutes ▁at ▁peak ▁times . ▁The ▁next ▁bus iest ▁stations