The constraints of getting only two runways that crossed each other had become evident and governments grappled with Sydney's airport potential for decades. Eventually, the controversial choice to construct a 3rd runway was created. The third runway was parallel to the existing runway sixteen/34, entirely on reclaimed land from Botany https://reidwqerh.bloguetechno.com/considerations-to-know-about-sydney-international-airport-taxi-limousine-65775125