 Orrong Road's eastern terminus is at the diamond interchange with Roe Highway.As with Leach Highway, Roe Highway is also free-flowing over Orrong Road, which continues as Welshpool Road East from this point.Orrong Road was gazetted in 1937 from sections of roads at the time that were originally known as Hawkstone Street, Prospect Road, Burswood Avenue and Wickalls Avenue.