Portrush Road is a major bypass route in Adelaide, the capital of South Australia. It runs from south to north through the eastern suburbs of Adelaide, at the foot of the Adelaide Hills. The southern end is at the foot of the South Eastern Freeway (the major route from Melbourne and the south east of South Australia). Portrush Road extends north from there crossing the four major arterial routes into the city, Greenhill Road, Kensington Road, The Parade and Magill Road. At Payneham Road it changes to Lower Portrush Road, then Ascot Ave before intersecting with North East Road. Adelaide is the capital and most populous city of the Australian state of South Australia, and is the fifth largest city in Australia, with a population of over 1. ... Motto: United for the Common Wealth Nickname: Festival State Other Australian states and territories Capital Adelaide Government Governor Premier Const. ... The Adelaide Hills is part of the Mount Lofty Ranges, east of the city of Adelaide in the state of South Australia. ... South Eastern Freeway is a freeway linking Adelaide to Princes Highway near Swanport, South Australia. ... Melbourne is the state capital and largest city in the Australian state of Victoria, and the second-largest city in Australia (after Sydney), with a population of approximately 3. ... Greenhill Road near Linden Park, facing east towards the Adelaide Hills Greenhill Road near Goodwood, as part of the city ring Greenhill Road is a major road in the South Australian city of Adelaide that provides a vital transport artery for those living in the eastern and hills suburbs. ...