. ▁The ▁Johnson ville ▁Line ▁was ▁upgrad ed ▁in ▁ 2 0 0 8 ▁and ▁ 2 0 0 9 ▁to ▁accommod ate ▁the ▁Mat ang i ▁units . ▁ ▁In ▁ 2 0 0 8 , ▁several ▁DM / D ▁units ▁were ▁re int rodu ced ▁on ▁peak ▁services ▁as ▁an ▁inter im ▁measure ▁until ▁the ▁Mat ang i ▁units ▁arrived . ▁Six ▁SE ▁BR ▁Mark ▁ 2 ▁carri ages ▁were ▁partially ▁ref urb ished ▁and ▁introduced ▁for ▁express ▁peak ▁services , ▁top - and - ta iled ▁by ▁two ▁ref urb ished ▁E O ▁class ▁electric ▁locomot ives . ▁The ▁locomot ives , ▁built ▁in ▁ 1 9 6 8 , ▁were ▁used ▁in ▁the ▁O ti ra ▁T unnel ▁until ▁its ▁de - elect r ification ▁in ▁ 1 9 9 7 . ▁An ▁additional ▁locomot ive ▁was ▁ref urb ished ▁for ▁backup . ▁Due ▁to ▁mechanical ▁issues ▁and ▁the ▁avail ability ▁of ▁new ▁rolling ▁stock , ▁the ▁E Os ▁were ▁with dra wn ▁from ▁service ▁in ▁ 2 0 1 1 . ▁ ▁On ▁ 2 5 ▁June ▁ 2 0 1 2 , ▁the ▁last ▁DM / D ▁units ▁were ▁with dra wn ▁from ▁service , ▁just ▁one ▁week ▁sh y ▁of ▁ 7 4 ▁years ▁since ▁the ▁first ▁members ▁of ▁the ▁class ▁entered ▁service . ▁The ▁SE ▁carri ages ▁formerly ▁used ▁with ▁the ▁E O ▁electric ▁locomot ives ▁were ▁fitted ▁with ▁to ile ts ▁and ▁real located ▁to ▁the ▁W air ar apa ▁Connection ▁in ▁July ▁