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| Centenary Motorway | |
|---|---|
| Name | Centenary Motorway |
| Location | Brisbane, Queensland, Australia |
| Length km | 43 |
| Route | A5 / M5 |
| Established | 1990s |
| Terminus a | Indooroopilly |
| Terminus b | Brisbane–Ipswich Motorway junction |
Centenary Motorway The Centenary Motorway is a major urban arterial route in Brisbane, Queensland, Australia linking western suburbs with the Brisbane central business district corridor. It connects key transport nodes such as Indooroopilly and the Ipswich Motorway interchange, serving commuter flows to Toowoomba, Gold Coast, Sunshine Coast corridors while interfacing with infrastructure managed by Department of Transport and Main Roads (Queensland), Brisbane City Council, and regional authorities. The motorway supports multimodal links to facilities including Brisbane Airport, Railway Square, Brisbane, Indooroopilly Shopping Centre, and the University of Queensland network.
The corridor begins near Indooroopilly adjacent to the Brisbane River crossing and proceeds westward through suburbs such as Fig Tree Pocket, Indooroopilly State High School precincts, past the Centenary Suburbs comprising Jindalee, Mount Ommaney, Fig Tree Pocket and Oxley. It intersects arterial roads including Moggill Road, Walter Taylor Bridge approaches, the Sir Leo Hielscher Bridges access routes and joins the Ipswich Motorway at a major interchange serving freight routes toward Darling Downs and Warrego Highway connections. The alignment crosses flood plains near Oxley Creek and parallels commuter rail corridors used by Queensland Rail services toward Ipswich railway station and Roma Street railway station.
The route was developed amid late 20th-century urban expansion tied to projects such as the Brisbane City Council Infrastructure Plan and state initiatives by the Bjelke-Petersen Ministry and later administrations including the Beattie Ministry and Bligh Ministry. Early works referenced planning studies from the Department of Main Roads (Queensland) and federal funding frameworks such as the Nation Building Program. Extensions and duplications were staged alongside projects like the Sampford Development and suburban growth in Forest Lake and Middle Park, with procurement influenced by contractors including Leighton Contractors and Baulderstone.
The motorway features multi-lane carriageways, grade-separated interchanges at junctions with Moggill Road, Oxley Road, and the Ipswich Motorway, and incorporates bridges over Oxley Creek and flood mitigation works coordinated with the Brisbane River Catchment authorities. Design standards referenced the Austroads technical guidelines and used pavement engineering firms formerly contracted to deliver surfacing, drainage, and noise attenuation near residential areas like Jindalee and Mount Ommaney. Lighting and ITS deployments were implemented in partnership with suppliers that have worked on projects for TransLink (Queensland) and Queensland Police Service traffic management units.
Daily traffic volumes reflect commuter peaks tied to employment centres at Brisbane CBD, University of Queensland, and industrial precincts around Ellen Grove and Riverview. Freight movements to Port of Brisbane and regional hubs use the corridor to connect with highways such as the Bruce Highway via arterial networks. Peak congestion patterns are studied by agencies including Bureau of Meteorology for weather impacts, Australian Bureau of Statistics demographic overlays, and transport planners from Griffith University and Queensland University of Technology conducting modelling and demand forecasting.
Safety audits have been performed under frameworks promulgated by Austroads and monitored by the Queensland Police Service traffic crash unit and the Queensland Ambulance Service. Notable incidents have prompted reviews by the Coroners Court of Queensland and transport safety regulators, while community groups including Local Resident Action Group (Centenary) and local media outlets such as the Courier-Mail have reported on collisions, flood-related closures, and emergency response coordination with Brisbane Fire and Emergency Services.
Routine maintenance and capital upgrades are delivered by contractors overseen by Department of Transport and Main Roads (Queensland), with past contracts awarded to organizations including Transurban-affiliated consortia and national construction firms. Works have included resurfacing, bridge strengthening compliant with standards from Standards Australia, noise barrier installation near Jindalee State School catchments, and installation of ITS elements interoperable with TransLink (Queensland) networks. Funding rounds have drawn from state budgets and federal programs like the Infrastructure Australia funding streams.
Proposals under consideration involve capacity improvements, active transport provisions linking to the Brisbane City Council Transport Plan, and resilience measures responding to 2011 Queensland floods lessons. Strategic planning inputs come from the South East Queensland Regional Plan, corridor assessments by Infrastructure Australia, and modelling by research groups at The University of Queensland and Griffith University. Potential initiatives include interchange reconfiguration, integration with mass transit projects such as proposed Brisbane Metro corridors, and freight efficiency schemes tied to the National Heavy Vehicle Regulator frameworks.
Category:Roads in Brisbane