to travel around the residential part of Upper Swan. Great Northern Highway continues north for beyond West Swan Road, past larger agricultural properties, to reach Bullsbrook, the last urban area within the Perth Metropolitan Region. After beyond Bullsbrook, the highway reaches the edge of the Perth metropolitan area at the City of Swan–Shire of Chittering boundary, where it passes into the Wheatbelt. Wheatbelt In the Wheatbelt, Great Northern Highway links small town sites with the surrounding rural farmland, occasionally passing by remnant patches of woodlands. From the north-eastern edge of Perth, the highway travels north for to Muchea. At Muchea the road curves to the west to approach a roundabout interchange with both Brand Highway and Tonkin Highway. Unlike other interchanges in the outskirts of Perth, Great Northern Highway is not free flowing with the interchange configured to have an overpass connecting the northern continuation of Great Northern Highway with Tonkin Highway to the south instead. Traffic wanting to continue on Great Northern Highway needs to turn right at the roundabout to continue northwards while southbound traffic needs to exit the main carriageway and turn left at the roundabout. Brand Highway and National Route 1 continues to the west of the roundabout. There is also a Road train assembly area in the southeast quadrant of the interchange. Great Northern Highway and National Highway 95 then continues north-east for . It passes to the west of Lake Chittering, curves east to cross the Brockman River, and then back north to Bindoon. further north, Bindoon–Moora Road branches off to the north-west, while the highway skirts east briefly then continues north, reaching New Norcia after . The starting point of The Midlands Road is located at Walebing, further north; from there, Great Northern Highway heads north-east for to Bindi Bindi, north for to Miling, then east for to the northern end of Northam–Pithara Road, and shortly thereafter Pithara. From here, another takes the road to Dalwallinu, and Wubin is further north. Mid West As Great Northern Highway heads north-east from Wubin out of the Wheatbelt, the vegetation changes to arid shrubland. In the Mid West region, the long stretches between settlements show few signs of human activity, other than the highway itself. The first such settlement is Paynes Find, out from Wubin. At this point the highway heads north again, reaching Mount Magnet after , and then Cue after another . The road