▁in ▁ 1 9 6 2 , ▁along ▁with ▁a ▁bog ie ▁exchange ▁dep ot ▁to ▁allow ▁w ag ons ▁to ▁operate ▁across ▁the ▁broad ▁and ▁standard ▁gauge ▁networks . ▁The ▁second ▁inter state ▁link ▁from ▁Victoria ▁to ▁Ad ela ide ▁( the ▁oldest ▁single - g au ge ▁inter - cap ital ▁line ▁d ating ▁from ▁ 1 8 8 7 ) ▁was ▁converted ▁from ▁broad ▁to ▁standard ▁gauge ▁in ▁ 1 9 9 5 ▁en abling ▁rail ▁traffic ▁from ▁Victoria ▁to ▁access ▁the ▁rest ▁of ▁the ▁nation ▁without ▁dis ruption . ▁ ▁Today ▁the ▁standard ▁gauge ▁network ▁consists ▁of ▁the ▁two ▁main ▁inter state ▁lines , ▁and ▁a ▁number ▁of ▁branch ▁lines ▁in ▁the ▁far ▁west ▁of ▁the ▁state . ▁G au ge ▁conversion ▁ ▁of ▁ 2 0 0 0 ▁kilometres ▁of ▁track ▁was ▁announced ▁in ▁May ▁ 2 0 0 1 ▁by ▁the ▁Victor ian ▁Government ▁under ▁the ▁Link ing ▁Victoria ▁program , ▁but ▁did ▁not ▁proceed ▁due ▁to ▁the ▁difficulty ▁of ▁ach ieving ▁any ▁agreement ▁with ▁then ▁track ▁manager , ▁Fre ight ▁Australia . ▁The ▁works ▁would ▁have ▁covered ▁ 1 3 ▁lines , ▁including ▁the ▁M ild ura ▁line ▁via ▁Ge el ong , ▁Ball ar at , ▁and ▁Mary borough ; ▁the ▁north ▁western ▁Victor ian ▁gra in ▁network ; ▁and ▁the ▁lines ▁cent red ▁upon ▁Se ym our ▁and ▁Ben alla ▁in ▁the ▁north ▁east . ▁Con version ▁of ▁the ▁regional ▁and ▁sub urban ▁passenger ▁networks ▁is ▁not ▁en vision ed . ▁In ▁ 2