▁A ▁new ▁main ▁road ▁from ▁Per th ▁to ▁Ger ald ton ▁via ▁M og umber ▁was ▁proposed ▁in ▁the ▁ 1 9 4 0 s , ▁but ▁was ▁rejected ▁by ▁the ▁Minister ▁for ▁Works , ▁who ▁considered ▁the ▁development ▁of ▁parallel ▁routes ▁in fe as ible ▁given ▁that ▁traffic ▁was ▁light . ▁ ▁Western ▁Australia ' s ▁N omen cl ature ▁Ad vis ory ▁Committee ▁proposed ▁in ▁October ▁ 1 9 4 0 ▁that ▁a ▁highway ▁name , ▁Great ▁Northern ▁Highway , ▁be ▁used ▁to ▁describe ▁the ▁main ▁route ▁from ▁Mid land ▁to ▁Ger ald ton , ▁and ▁extending ▁to ▁areas ▁further ▁north . ▁By ▁July ▁ 1 9 4 1 , ▁the ▁committee ' s ▁proposal ▁had ▁expanded ▁to ▁three ▁highway ▁names ▁for ▁the ▁roads ▁in ▁the ▁state ' s ▁northern ▁areas : ▁Great ▁Northern ▁Highway ▁for ▁the ▁Mid land ▁J unction ▁to ▁Wy nd ham ▁road , ▁North ▁West ▁Coast al ▁Highway ▁for ▁the ▁road ▁linking ▁Ger ald ton ▁to ▁Port ▁Hed land ▁and ▁De ▁Grey , ▁and ▁Ger ald ton ▁Highway ▁for ▁the ▁W ale bing – M ingen ew – G er ald ton ▁route . ▁This ▁road ▁was ▁gaz ett ed ▁as ▁Ger ald ton ▁Highway ▁on ▁ 1 7 ▁September ▁ 1 9 4 3 , ▁su pers eding ▁the ▁previously ▁used ▁names ▁of ▁Ch oral ▁Street , ▁Y arma ▁Street , ▁Railway ▁road , ▁Mid land ▁Street , ▁Railway ▁Street , ▁and ▁Ir win ▁Road . ▁ ▁From ▁the ▁ 1 9 5 0 s ,