Our CPB Contractors team, as part of the Fleurieu Connections Alliance, is celebrating a major milestone with the southbound on and off-ramps at the new Aldinga Interchange now open to traffic, as Stage Two of the Main South Road duplication from Aldinga to Sellicks Beach, south of Adelaide, moves closer to completion.
The Aldinga Interchange realigns the junctions of Aldinga Beach Road and Aldinga Road to create a safer and more efficient connection to and from Main South Road for locals and visitors, as well as smoother connections to the Fleurieu region.
Main South Road carries around 19,000 vehicles a day which is set to increase, with traffic volumes expected to grow to 26,000 vehicles a day by 2036.
Ensuring that people can get to and from this beautiful part of South Australia safely and stress-free is vital for people who live, visit or do business there.
An exciting milestone for the project, the now-open southbound ramps at the Aldinga interchange form part of the future permanent layout where Main South Road traffic will flow freely under the Aldinga bridge.
These ramps will provide dedicated access to and from Aldinga, improving traffic efficiency and connectivity across the southern section of the project.
In the coming weeks, traffic will temporarily shift back on to the newly constructed southbound carriageway on Main South Road between Aldinga Road and Perth Street. This will enable finishing works on the northbound carriageway to be carried out. The Aldinga Bridge, a key feature of the Aldinga Interchange, opened to traffic in March this year.
Sustainability is an important focus of the project with the equivalent of more than 31 million recycled glass bottles, or almost 7,000 tonnes of glass, to be repurposed in the construction of the new roadway from Aldinga to Sellicks Beach. The recycled glass replaces a portion of natural sand in the asphalt. This glass is diverted from the local waste stream creating a circular economy and a win for sustainability.
The landscaping program for the Stage Two duplication of Main South Road will have environmental and social benefits for generations to come. More than 100,000 trees, shrubs, understory and aquatic plants will be added along the road corridor. These plantings, from 50 specially selected native species, will enhance the region’s stunning vistas and provide new community amenity as well as new habitat for local fauna.
Stage Two of the Main South Road duplication between Aldinga Beach Road and Sellicks Beach is jointly funded by the Australian and South Australian governments as part of the $810.4 million Fleurieu Connections project.
The Australian Government is committing $221.6 million, with the South Australian Government providing $588.8 million.
The project is supporting 405 full-time-equivalent jobs during construction, with full completion expected in 2026.
The Aldinga Interchange realigns the junctions of Aldinga Beach Road and Aldinga Road to create a safer and more efficient connection to and from Main South Road for locals and visitors, as well as smoother connections to the Fleurieu region.
Main South Road carries around 19,000 vehicles a day which is set to increase, with traffic volumes expected to grow to 26,000 vehicles a day by 2036.
Ensuring that people can get to and from this beautiful part of South Australia safely and stress-free is vital for people who live, visit or do business there.
An exciting milestone for the project, the now-open southbound ramps at the Aldinga interchange form part of the future permanent layout where Main South Road traffic will flow freely under the Aldinga bridge.
These ramps will provide dedicated access to and from Aldinga, improving traffic efficiency and connectivity across the southern section of the project.
In the coming weeks, traffic will temporarily shift back on to the newly constructed southbound carriageway on Main South Road between Aldinga Road and Perth Street. This will enable finishing works on the northbound carriageway to be carried out. The Aldinga Bridge, a key feature of the Aldinga Interchange, opened to traffic in March this year.
Sustainability is an important focus of the project with the equivalent of more than 31 million recycled glass bottles, or almost 7,000 tonnes of glass, to be repurposed in the construction of the new roadway from Aldinga to Sellicks Beach. The recycled glass replaces a portion of natural sand in the asphalt. This glass is diverted from the local waste stream creating a circular economy and a win for sustainability.
The landscaping program for the Stage Two duplication of Main South Road will have environmental and social benefits for generations to come. More than 100,000 trees, shrubs, understory and aquatic plants will be added along the road corridor. These plantings, from 50 specially selected native species, will enhance the region’s stunning vistas and provide new community amenity as well as new habitat for local fauna.
Stage Two of the Main South Road duplication between Aldinga Beach Road and Sellicks Beach is jointly funded by the Australian and South Australian governments as part of the $810.4 million Fleurieu Connections project.
The Australian Government is committing $221.6 million, with the South Australian Government providing $588.8 million.
The project is supporting 405 full-time-equivalent jobs during construction, with full completion expected in 2026.

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