Princes Highway West Overtaking Lanes – Garvoc
PRINCIPAL: Department of transport and planning
Delivery Period: January 2026 – Ongoing
Project Overview
Whelans Group has been awarded the construction of overtaking lanes along the Princes Highway West near Garvoc, forming part of ongoing upgrades to improve safety and traffic flow along this key regional corridor.
The project involves delivery within a live highway environment, requiring controlled staging, coordinated logistics and integration of earthworks, pavement and safety infrastructure.
Scope of Works
Bulk earthworks and formation construction
Pavement construction and full-depth reconstruction
Drainage integration and water management works
Traffic staging and control within a live operational corridor
Installation of safety barriers, guard fencing, signage and linemarking
Key Quantities
11,700 m² of Type A fill
27,900 m² of full-depth pavement construction
57,300 m² of sealing
1,460 m of WRSB safety barrier
3,820 m of EZY Guard safety barrier
Delivery Highlights
Construction of overtaking lanes within an active highway corridor
Integration of earthworks, pavement and safety upgrades
Controlled staging to maintain traffic flow during construction
Coordinated delivery supported by in-house capability and logistics
Challenges
Maintaining safe traffic conditions within a live highway environment
Coordinating multi-discipline works within a constrained corridor
Managing programme delivery while maintaining network access
Delivering consistent outcomes across staged works
Project Significance
The award reinforces Whelans Group’s continued delivery across the Princes Highway program and reflects sustained confidence from DTP in our ability to deliver regional highway infrastructure.
Outcome (Projected)
Once complete, the overtaking lanes will improve safety and efficiency along the Princes Highway West, enhancing overtaking opportunities and supporting more reliable freight and regional travel.
