| Ennis Avenue | |
| General direction | North-South |
| From | Patterson Road, East Rockingham |
| Major suburbs | Cooloongup, Warnbro |
| To | Mandurah Road, Karnup |
| Major Junctions | Dixon Road, Safety Bay Road, Port Kennedy Drive |
Ennis Avenue is a major road between Rockingham and its southern suburbs and is part of Australia's National Highway 1 for all of its length. Patterson Road is a major road between Kwinana and Rockingham and is part of Australia's National Highway 1 for part of its length East Rockingham is an outer southern suburb of Perth, the capital city of Western Australia, located within the City of Rockingham. Cooloongup is an outer southern suburb of Perth, the capital city of Western Australia, located within the City of Rockingham. Warnbro is an outer southern suburb of Perth, the capital city of Western Australia, and is located within the City of Rockingham. Mandurah Road is two roads which link together at Stakehill Road Karnup is an outer southern suburb of Perth, the capital city of Western Australia, located within the City of Rockingham. Safety Bay Road is an East-West road between Safety Bay on the coast near Rockingham, about 50km south of Perth, Western Australia, and Rockingham is a suburb and regional centre south-west of the Perth city centre and south of Fremantle. Highway 1 is Australia 's coastal Highway joining all mainland's state capitals and coastal towns circumnavigating the entire Australian continent It is a controlled access road and after leaving Rockingham has only four intersections (Willmott Drive, Safety Bay Road, Royal Palm Drive and Port Kennedy Drive) - the alternative route is Read Street and Warnbro Sound Avenue which runs roughly parallel to and west of Ennis Avenue. Read Street is a main road and suburban distributor in Rockingham south of Perth, and runs through or alongside the suburbs of Rockingham, Cooloongup Warnbro Sound Avenue is a main road and suburban distributor in the southern suburbs of Rockingham south of Perth, and runs through or alongside the suburbs
The Kwinana Freeway was built to Safety Bay Road in 2002, which means that Kwinana Freeway traffic going to Mandurah and the South West of Western Australia from Perth enters Ennis Avenue near its halfway point (7. Mitchell FreewayThe Kwinana Freeway is a major arterial road in Perth, Western Australia, linking Perth with the southern suburbs and the City Safety Bay Road is an East-West road between Safety Bay on the coast near Rockingham, about 50km south of Perth, Western Australia, and Mandurah is a city in Western Australia located approximately south of the state capital Perth, Western Australia. Perth is the capital and largest city of the Australian state of Western Australia. 5 km) at Safety Bay Road. The Warnbro railway station, which opened in December 2007, is right next to this intersection. Warnbro Train Station is a Transperth railway station located in the far southern suburbs of Perth Western Australia