▁until ▁the ▁arrival ▁of ▁the ▁dies el ▁electric ▁B ▁class ▁in ▁ 1 9 5 2 . ▁On ▁ 2 0 ▁April ▁ 1 9 0 8 ▁the ▁Sun sh ine ▁train ▁dis aster ▁occurred , ▁killing ▁ 4 4 ▁passengers ▁in ▁the ▁worst ▁Victor ian ▁railway ▁accident . ▁ ▁Elect r ification ▁of ▁the ▁Melbourne ▁sub urban ▁network ▁was ▁also ▁carried ▁out , ▁with ▁the ▁first ▁train ▁running ▁in ▁ 1 9 1 9 . ▁By ▁ 1 9 2 4 ▁ 2 1 0 , 0 0 0 ▁passengers ▁passed ▁through ▁the ▁main ▁city ▁terminal ▁of ▁Fl ind ers ▁Street ▁station ▁per ▁week day . ▁St ▁K ilda ▁was ▁Melbourne ' s ▁bus iest ▁sub urban ▁station ▁with ▁ 4 ½ ▁million ▁jour ne ys , ▁followed ▁by ▁Foot sc ray ▁with ▁almost ▁ 4 ▁million , ▁then ▁El st ern wick , ▁As cot ▁V ale , ▁Ess end on ▁and ▁Bal ac lava . ▁Technology ▁adv anc ements ▁continued , ▁with ▁ 3 ▁position ▁automatic ▁signals ▁introduced ▁in ▁ 1 9 1 5 , ▁the ▁conversion ▁of ▁sc rew ▁cou pl ings ▁to ▁kn uck le ▁cou pl ers ▁from ▁ 1 9 2 4 , ▁and ▁the ▁first ▁remote ▁controlled ▁sign alling ▁provided ▁in ▁ 1 9 2 5 . ▁The ▁first ▁level ▁crossing ▁flash ing ▁lights ▁were ▁installed ▁at ▁M ent one ▁on ▁Mo or ab in ▁Road ▁in ▁ 1 9 3 2 . ▁ ▁Despite ▁the ▁World ▁War ▁I , ▁significant ▁extensions ▁of ▁rail ▁lines