Princes Highway duplication Geelong to Colac

We’re widening and upgrading this part of the Princes Highway to a four-lane divided road – two lanes in each direction. This is to improve safety, journey reliability and access to south-western Victoria for all traffic.

Project status September 2016

We've completed construction for the $171 million 23km duplication from Geelong to Winchelsea. 

Construction began for the $363 million duplication of the Princes Highway between Winchelsea and Colac in 2016. 

Winchelsea to Colac map [PDF, 187KB]
Princes Highway duplication Information Update - July 2016 [DOCX 549Kb]

Project background 

You will find information about each project section below. To find out more, contact the project office using the details at the bottom of the page.

Project sections

See the sections below to find out more about each part of the project.

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Geelong to Winchelsea

Waurn Ponds – Winchelsea

Status: Complete
Contractor: BMD Constructions
This section includes 23km of roadworks including a new bridge over the Warrnambool-Geelong railway line at Buckley. The highway is now open with two lanes in each direction between Geelong and Winchelsea. 


Lennox Street – Austin Street, Winchelsea

Status: Complete
Contractor: Winslow Constructors 
Construction of one kilometre of the highway between Lennox Street and Austin Street in Winchelsea is complete providing safer turning opportunities for drivers and crossing locations for pedestrians within the rural town.  


Austin Street - Deans Marsh Road, Winchelsea

Status: Complete 
Contractor: Cut & Fill Pty Ltd 
This section included a new bridge crossing of the Barwon River and traffic signals at both Hesse Street and Deans Marsh Road intersections. 


Winchelsea - Colac

Deans Marsh Road, Winchelsea – Armytage Road

Status: underway

Estimated completion: 2018
Contractor: WHBO Infrastructure
Key features include:
  • 11.5km duplication of the highway
  • New intersections at Mousley Road, Ondit Road and McDonalds Lane, Robertson Road, and Ingleby Road and Armytage Road;
  • New left and right turn lanes into side roads;
  • Wire rope safety barriers on the edge of the road and in the median;
  • Upgraded culverts and drainage to cater for a one-in-100 year rain event;
  • Landscaping, including planting of more than 10,000 trees indigenous to the area.


Armytage - Warncoort

Status: Planned
Estimated completion: 2019
Contractor: To be awarded
Tenders for the 15km section of the highway between Armytage and Warncoort were advertised in December 2015.  The short-listed contractors include Fulton Hogan, Lend Lease and BMD.  Tenders will close in March 2016. 

Power relocation works are  nearing completion and new fences are being installed along property boundaries. Telstra and water main relocations are currently underway.

Key features include:
  • 15 kilometres of highway duplication
  • New bridges at two locations over the Geelong-Warrnambool railway line
  • Designated left and right turn lanes off the highway;
  • Wire rope safety barriers on the edge of the road and in the median;
  • Upgraded culverts and drainage to cater for a one-in-100 year rain event;

Warncoort – Baillie Street, East Colac

Status: Planned
Estimated completion: 2019
Contractor: To be awarded
Pre-construction activities including detailed design and land acquisition will be conducted during 2016 and early 2017, with a contract expected to be awarded mid  2017.

Key features include:
  • 8.5km of highway duplication
  • Improvements to 6 intersections at Bourkes/Trasks Road, Pyles Road, Warrowie/Collins Road, Colac-Ballarat/Drapers Road, Flaxmill Road and Gallop/Baillie Street.
  • Designated left and right turn lanes off the highway;
  • Wire rope safety barriers on the edge of the road and in the median;
  • Upgraded culverts and drainage to cater for a one-in-100 year rain event


Princes Highway, Colac

The Colac works are comprised of three main projects:

  1. Princes Highway (Murray Street) road improvements at intersections, pedestrian crossings, a new road surface and linking the traffic lights to allow us remote access to fix faults.
  2. Upgrade to the bridge over the Geelong-Warrnambool railway line in East Colac; and
  3. Replacement of the bridge over Barrongarook Creek.
Status: Complete
Contractor: Fulton Hogan 
Princes Highway (Murray Street) road improvements at intersections, pedestrian crossings, a new road surface and linking the traffic lights to allow us remote access to fix faults.

Status: Underway
Estimated completion: 2019
Contractor: Cut & Fill Pty Ltd
Key features include:
  • Strengthening the bridge, ensuring that it is safe for people to use in years to come.
  • A new concrete bridge deck and road surface.
  • New concrete barriers. 
  • Realigning Flaxmill Road to improve safety for the temporary traffic detour.  
  • Repair work to the road either side of the bridge.
A detour along Flaxmill Road and Clark Street will be used while work is undertaken on the bridge. This is expected towards the end of August 2016. 

Status: Planned
Estimated completion: 2019
Contractor: To be awarded 
Barongarook Creek will be replaced to cater for high productivity freight vehicles. The new bridge will be consistent with Council’s vision for the CBD entrance strategy to Colac. 




Environment

The environment has been an important consideration in the planning of the Princes Highway duplication. We understand that the trees provide environment, aesthetic and habitat value and have worked hard to minimise the amount of vegetation needing to be removed to make way for the new lanes. 

 Throughout this process we have made several changes to the road design to reduce the project’s footprint. Design modifications have included steepening of roadside embankments and the installation of wire rope safety barriers - enabling preservation of trees wherever possible, while balancing our commitment to improve road safety and efficiency.

View Environment FAQs [Docx 4.7Mb]

Traffic Management

There are ongoing traffic management changes at numerous locations along the Princes Highway. A coordinated approach is being taken to ensure total delays along the corridor are kept to a minimum, however some reduced speed limits are required to keep motorists and workers safe. Please allow extra travel time and look out for roadwork signs and temporary speed limits.


 

Contact us


Princes Highway, Colac

Status: Planned
Estimated completion: 2019
Contractor: To be awarded
Pre-construction activities including detailed design and land acquisition will be conducted during 2016 and early 2017, with a contract expected to be awarded mid  2017.

Key features include:
  • 8.5km of highway duplication
  • Improvements to 6 intersections at Bourkes/Trasks Road, Pyles Road, Warrowie/Collins Road, Colac-Ballarat/Drapers Road, Flaxmill Road and Gallop/Baillie Street.
  • Designated left and right turn lanes off the highway;
  • Wire rope safety barriers on the edge of the road and in the median;
  • Upgraded culverts and drainage to cater for a one-in-100 year rain event

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