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Gerringong to Bomaderry
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Pink route selected as preferred option

In October 2008 a preferred option for the majority of the highway upgrade was announced by the New South Wales Government. Between Toolijooa Road and Austral Park Road however, two options remained under consideration, known as the Pink and Green routes. Following further investigations into environmental impacts, geotechnical conditions, road safety and operational issues, the Pink route has been selected as the preferred option for upgrading the Princes Highway over Toolijooa ridge. The Toolijooa ridge preferred option report is now available. Download here ( 2.15MB).

This finalises the determination of the preferred option from Mount Pleasant in the north to Bomaderry in the south. More.




Pink Route
The upgraded highway would climb the lower parts of Toolijooa ridge west of Gerringong before cutting through the higher parts in depths up to 30 metres. The highway would then descend on the south side of the ridge crossing Broughton Creek at three locations before connecting with preferred option near Austral Park Road.

The Pink route would provide significant road safety, traffic efficiency and travel time improvements over the existing highway. The Green route offered marginally better improvements but at an additional construction cost of approximately $75-90 million. It would also have been more costly to maintain and operate in the long-term.

The Pink route has been selected as the option that provides the greatest benefits at the best value for money.



Features

§ Four lane 100km/h standard highway with median separation.

§ Third southbound lane climbing up and across the ridge at Toolijooa.

§ Allowance for future third northbound lane climbing up and across the ridge at Toolijooa.

§ A major cutting approximately 900 metres long and up to 30 metres deep.

§ A land bridge over the cutting to maintain an identified fauna corridor along Toolijooa ridge.

§ New half-interchange with the old highway at Toolijooa Road.

§ New half-interchange with the old highway near Austral Park Road.

§ Large embankment approximately 400 metres long and up to 15 metres high in the vicinity of existing Broughton Creek bridge.


Benefits

§ Improves road safety by bypassing a winding and undulating section of the existing highway with a poor crash history.

§ Improves travel times and traffic efficiency by providing additional lanes and overtaking opportunities.

§ Maintains existing fauna corridor along Toolijooa ridge.

§ Retains existing highway as a local road with direct access to the upgraded highway.

§ Aligned adjacent to existing Broughton Creek Bridge maintaining heritage structure.


What are the next steps?

There will be further opportunities for the community to make comments on the upgrade program for the Princes Highway between Gerringong and Bomaderry. The RTA currently proposes that the upgrade program will comprise three separate projects for the purpose of concept design and environmental assessment.

The type of environmental assessment for each project will reflect the level of environmental impact.


Project A – from Mount Pleasant to Toolijooa Road
Concept design and environmental impact assessment are currently underway and are expected to be displayed for community comment in early 2010.

Project B – from Toolijooa Road to south of Berry
Concept design and environmental impact assessment are currently underway and are expected to be displayed for community comment following Project A.

Project C – from south of Berry to Bomaderry
Concept design and environmental investigations are currently underway for the purposes of defining the highway boundaries. Timing of display of concept design and environmental impact assessment for this project has not yet been decided.


Construction
Subject to planning approval for each project, detailed design and land acquisition will be completed. A staging plan and construction schedule will be developed, taking into account available funding.



The final aspects of the preferred option will be on display from Monday 15 June 2009 to Friday 26 June 2009 at the following locations:


Staffed displays

RTA Berry Project Office
Broughton Court
Shop 3/113 Queen Street, Berry
Monday to Friday 9am to 4pm

There will be maps of the preferred option and 3D animations of the access arrangements available for viewing.


Other display locations

Kiama Council
11 Manning Street, Kiama
Monday to Friday 8.45am to 4.15pm

Shoalhaven City Council
36 Bridge Street, Nowra
Monday to Friday 9am to 5pm

Kiama Library
7 Railway Parade, Kiama
Monday, Wednesday, Thursday and Friday from 9.30am to 5.30pm
Tuesday from 9.30am to 8pm
Saturday from 9.30am to 2pm

Gerringong
Shop 3/129 Belinda Street, Gerringong

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