▁lo bb y ▁the ▁federal ▁government ▁to ▁try ▁to ▁secure ▁millions ▁of ▁dollars ▁during ▁the ▁campaign ▁to ▁upgrade ▁major ▁road ▁infrastr ucture . ▁The ▁two ▁coun c ils ▁believed ▁$ 3 0 0   mill ion ▁was ▁needed ▁to ▁transform ▁more ▁of ▁Arm ad ale ▁Road ▁into ▁a ▁dual ▁carriage way ▁and ▁to ▁build ▁a ▁new ▁bridge ▁over ▁K win ana ▁Fre ew ay ▁to ▁link ▁North ▁Lake ▁Road ▁at ▁C ock burn ▁Central . ▁The ▁coun c ils ▁planned ▁to ▁letter ▁drop ▁household ers ▁voting ▁in ▁the ▁C anning ▁by - e lection ▁ur ging ▁them ▁to ▁email ▁federal ▁and ▁state ▁MP s ▁to ▁help ▁secure ▁the ▁fund ing . ▁At ▁the ▁Labor ▁Party ▁state ▁conference ▁on ▁ 2 9 ▁August , ▁Federal ▁O pp osition ▁Le ader ▁Bill ▁Short en ▁promised ▁to ▁spend ▁$ 1 7 0   mill ion ▁on ▁infrastr ucture ▁projects ▁in ▁C anning . ▁ ▁V oter ▁dem ograph ics ▁The ▁Australian ▁Elect oral ▁Commission ▁( A EC ) ▁announced ▁ 1 1 2 , 8 0 9 ▁people ▁were ▁el ig ible ▁to ▁cast ▁a ▁vote ▁in ▁the ▁by - e lection , ▁after ▁the ▁elect oral ▁roll ▁registration ▁for ▁the ▁ 1 9 ▁September ▁poll ▁closed ▁on ▁ 2 4 ▁August . ▁Al most ▁half ▁of ▁those ▁en rolled ▁to ▁vote ▁in ▁the ▁by - e lection ▁were ▁aged ▁ 5 0 ▁and ▁over , ▁reflect ing ▁the ▁high ▁number ▁of ▁ret ire es ▁in ▁the ▁West ▁Australian ▁elect or ate . ▁Just ▁ 1