 North West Coastal Highway commences at a diamond interchange at the northern end of Brand Highway . It heads east from the interchange and curves round to the north , past a traffic @-@ light intersection with Geraldton – Mount Magnet Road . The highway continues north through the Geraldton 's outer suburbs for eight kilometres ( 5 @.@ 0 mi ) before the landscape transitions to scrubland . Between Geraldton to Carnarvon , the highway passes through remote and dry semi @-@ desert areas . Apart from Northampton , 50 kilometres ( 31 mi ) out from Geraldton , the only settlements over this 475 kilometres ( 295 mi ) stretch are four roadhouses . Binnu Roadhouse is 11 kilometres ( 6 @.@ 8 mi ) south of Kalbari Road , the turnoff Kalbarri ; Billabong Roadhouse is 50 kilometres ( 31 mi ) south of the Shark Bay turnoff , where the Overlander Roadhouse is located ; and the Wooramel Roadhouse is near the Wooramel River crossing . 
