 In addition to servicing the southeastern suburbs of Perth, the road provides a vital connection from the Perth CBD to Perth Airport, the Kewdale Freight Terminal and the Darling Scarp.It is designated H27 ("Rivervale–Wattle Grove Link") in Main Roads' internal designation along with Welshpool Road East west of Tonkin Highway.The entire length of Orrong Road is a four lane dual-carriageway, similar to other major roads in the area such as Albany Highway, Welshpool Road and Abernethy Road.