▁War ▁II ▁when ▁the ▁RA AF ▁operated ▁a ▁m un itions ▁store ▁next ▁to ▁the ▁railway ▁line . ▁ ▁K ow g ur an ▁Sub - dep ot ▁to ▁No . ▁ 3 ▁Central ▁Reserve ▁Ex pl os ive ▁Store ▁included ▁ 2 0 ▁concrete ▁under ground ▁b unk ers ▁in ▁which ▁up ▁to ▁ 2 5 0 0 ▁tons ▁of ▁bomb s ▁and ▁am mun ition ▁were ▁stored . ▁ ▁Supp lies , ▁m un itions ▁and ▁personnel ▁were ▁connected ▁by ▁rail ▁to ▁Br is b ane ▁via ▁Mil es ▁and ▁To owo om ba . ▁ ▁Services ▁ ▁Tra ins ▁worked ▁from ▁Ch inch illa ▁about ▁ 4 0 ▁kilometres ▁to ▁the ▁east ▁of ▁Mil es . ▁ ▁A ▁twice - week ly ▁mixed ▁serv iced ▁the ▁route ▁which ▁connected ▁at ▁Mil es ▁with ▁trains ▁west ▁to ▁Roma ▁and ▁east ▁to ▁Br is b ane . ▁ ▁The ▁ 7 0 ▁kilometres ▁between ▁Mil es ▁and ▁W ando an ▁was ▁travers ed ▁in ▁three ▁hours . ▁ ▁In ▁ 1 9 5 4 , ▁a ▁twice - week ly ▁rail ▁motor ▁service ▁was ▁introduced ▁to ▁connect ▁with ▁the ▁Sydney ▁Mail ▁at ▁To owo om ba . ▁▁ ▁Like ▁so ▁many ▁services ▁in ▁country ▁Queensland , ▁the ▁line ▁faced ▁increasing ▁competition ▁from ▁road ▁transport . ▁ ▁Tra ffic ▁gradually ▁dw ind led ▁to ▁season al ▁gra in ▁transport . ▁ ▁Pres ent ▁and ▁future ▁The ▁line ▁is ▁still ▁open , ▁with ▁rail ▁of ▁ 3 0   kg / m ▁rela id