 In Geraldton , the highway begins at a grade separated interchange with Brand Highway and roads providing access to the port and town centre . Two major roads link the North West Coastal Highway to the inland Great Northern Highway : Geraldton – Mount Magnet Road in Geraldton , and Nanutarra Munjina Road at Nanutarra , 845 kilometres ( 525 mi ) further north . Several roads link provide access to coastal towns and attractions , including Shark Bay Road , Onslow Road and Karratha Road . With few towns on the highway , roadhouses are the only settlements for long stretches . North West Coastal Highway ends at Great Northern Highway , 30 kilometres ( 19 mi ) out from Port Hedland . 
